55469925 has 72 divisors (see below), whose sum is σ = 116450880. Its totient is φ = 24710400.

The previous prime is 55469899. The next prime is 55469933. The reversal of 55469925 is 52996455.

It is a happy number.

55469925 is a `hidden beast` number, since 554 + 6 + 9 + 92 + 5 = 666.

It is not a de Polignac number, because 55469925 - 2⁸ = 55469669 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 64146 + ... + 65004.

Almost surely, 2^55469925 is an apocalyptic number.

It is an amenable number.

55469925 is an abundant number, since it is smaller than the sum of its proper divisors (60980955).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55469925 is a wasteful number, since it uses less digits than its factorization.

55469925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 923 (or 915 counting only the distinct ones).

The product of its digits is 486000, while the sum is 45.

The square root of 55469925 is about 7447.8134375131. The cubic root of 55469925 is about 381.3752683403.

The spelling of 55469925 in words is "fifty-five million, four hundred sixty-nine thousand, nine hundred twenty-five".