54645525 has 36 divisors (see below), whose sum is σ = 106778880. Its totient is φ = 26493600.

The previous prime is 54645509. The next prime is 54645527. The reversal of 54645525 is 52554645.

54645525 is a `hidden beast` number, since 5 + 4 + 645 + 5 + 2 + 5 = 666.

It is not a de Polignac number, because 54645525 - 2⁴ = 54645509 is a prime.

It is a super-2 number, since 2×54645525² = 5972266805051250, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54645525.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54645527) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 8565 + ... + 13514.

It is an arithmetic number, because the mean of its divisors is an integer number (2966080).

Almost surely, 2^54645525 is an apocalyptic number.

54645525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

54645525 is a deficient number, since it is larger than the sum of its proper divisors (52133355).

54645525 is a wasteful number, since it uses less digits than its factorization.

54645525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22106 (or 22098 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

The square root of 54645525 is about 7392.2611561010. The cubic root of 54645525 is about 379.4764836204.

The spelling of 54645525 in words is "fifty-four million, six hundred forty-five thousand, five hundred twenty-five".