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54925 = 52133
BaseRepresentation
bin1101011010001101
32210100021
431122031
53224200
61102141
7316063
oct153215
983307
1054925
11382a2
1227951
131c000
1416033
151141a
hexd68d

54925 has 12 divisors (see below), whose sum is σ = 73780. Its totient is φ = 40560.

The previous prime is 54919. The next prime is 54941. The reversal of 54925 is 52945.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 6 ways, for example, as 44521 + 10404 = 211^2 + 102^2 .

It is not a de Polignac number, because 54925 - 23 = 54917 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an alternating number because its digits alternate between odd and even.

Its product of digits (1800) is a multiple of the sum of its prime divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 54925.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4219 + ... + 4231.

254925 is an apocalyptic number.

It is an amenable number.

54925 is a deficient number, since it is larger than the sum of its proper divisors (18855).

54925 is an equidigital number, since it uses as much as digits as its factorization.

54925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49 (or 18 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 54925 is about 234.3608329052. The cubic root of 54925 is about 38.0122305968.

54925 divided by its sum of digits (25) gives a cube (2197 = 133).

It can be divided in two parts, 54 and 925, that added together give a palindrome (979).

The spelling of 54925 in words is "fifty-four thousand, nine hundred twenty-five".

Divisors: 1 5 13 25 65 169 325 845 2197 4225 10985 54925