55056624 has 40 divisors (see below), whose sum is σ = 162549120. Its totient is φ = 15730368.

The previous prime is 55056619. The next prime is 55056653. The reversal of 55056624 is 42665055.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81594 + ... + 82265.

It is an arithmetic number, because the mean of its divisors is an integer number (4063728).

Almost surely, 2^55056624 is an apocalyptic number.

It is an amenable number.

55056624 is an abundant number, since it is smaller than the sum of its proper divisors (107492496).

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

55056624 is a wasteful number, since it uses less digits than its factorization.

55056624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163877 (or 163871 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 33.

The square root of 55056624 is about 7420.0150943243. The cubic root of 55056624 is about 380.4257094237.

The spelling of 55056624 in words is "fifty-five million, fifty-six thousand, six hundred twenty-four".