55624525 has 24 divisors (see below), whose sum is σ = 76182624. Its totient is φ = 39950400.

The previous prime is 55624519. The next prime is 55624559. The reversal of 55624525 is 52542655.

It is not a de Polignac number, because 55624525 - 2¹¹ = 55622477 is a prime.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21607 + ... + 24043.

It is an arithmetic number, because the mean of its divisors is an integer number (3174276).

Almost surely, 2^55624525 is an apocalyptic number.

55624525 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

55624525 is a deficient number, since it is larger than the sum of its proper divisors (20558099).

55624525 is a wasteful number, since it uses less digits than its factorization.

55624525 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541 (or 2536 counting only the distinct ones).

The product of its digits is 60000, while the sum is 34.

The square root of 55624525 is about 7458.1851009478. The cubic root of 55624525 is about 381.7292494983.

The spelling of 55624525 in words is "fifty-five million, six hundred twenty-four thousand, five hundred twenty-five".