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56275541 = 78039363
BaseRepresentation
bin1101011010101…
…1001001010101
310220220002112022
43112223021111
5103401304131
65330102525
71252222430
oct326531125
9126802468
1056275541
1129847713
1216a1aa45
13b87494a
14768c817
154e1937b
hex35ab255

56275541 has 4 divisors (see below), whose sum is σ = 64314912. Its totient is φ = 48236172.

The previous prime is 56275507. The next prime is 56275543. The reversal of 56275541 is 14557265.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 14557265 = 52911453.

It is a cyclic number.

It is not a de Polignac number, because 56275541 - 26 = 56275477 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56275543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4019675 + ... + 4019688.

It is an arithmetic number, because the mean of its divisors is an integer number (16078728).

Almost surely, 256275541 is an apocalyptic number.

It is an amenable number.

56275541 is a deficient number, since it is larger than the sum of its proper divisors (8039371).

56275541 is an equidigital number, since it uses as much as digits as its factorization.

56275541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8039370.

The product of its digits is 42000, while the sum is 35.

The square root of 56275541 is about 7501.7025400905. The cubic root of 56275541 is about 383.2126994490.

The spelling of 56275541 in words is "fifty-six million, two hundred seventy-five thousand, five hundred forty-one".

Divisors: 1 7 8039363 56275541