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54873973 = 7211101807
BaseRepresentation
bin1101000101010…
…0111101110101
310211020212221101
43101110331311
5103021431343
65240050101
71234264300
oct321247565
9124225841
1054873973
1128a7a6a0
1216463931
13b4a3a0b
147405b37
154c3de4d
hex3454f75

54873973 has 12 divisors (see below), whose sum is σ = 69636672. Its totient is φ = 42758520.

The previous prime is 54873947. The next prime is 54873989. The reversal of 54873973 is 37937845.

It is a happy number.

It is not a de Polignac number, because 54873973 - 25 = 54873941 is a prime.

It is a super-2 number, since 2×548739732 = 6022305825609458, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54873913) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50365 + ... + 51442.

It is an arithmetic number, because the mean of its divisors is an integer number (5803056).

Almost surely, 254873973 is an apocalyptic number.

It is an amenable number.

54873973 is a deficient number, since it is larger than the sum of its proper divisors (14762699).

54873973 is a wasteful number, since it uses less digits than its factorization.

54873973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101832 (or 101825 counting only the distinct ones).

The product of its digits is 635040, while the sum is 46.

The square root of 54873973 is about 7407.6968755478. The cubic root of 54873973 is about 380.0045544237.

The spelling of 54873973 in words is "fifty-four million, eight hundred seventy-three thousand, nine hundred seventy-three".

Divisors: 1 7 11 49 77 539 101807 712649 1119877 4988543 7839139 54873973