55556502 has 16 divisors (see below), whose sum is σ = 111729072. Its totient is φ = 18416160.

The previous prime is 55556483. The next prime is 55556503. The reversal of 55556502 is 20565555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55556503) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24493 + ... + 26664.

It is an arithmetic number, because the mean of its divisors is an integer number (6983067).

Almost surely, 2^55556502 is an apocalyptic number.

55556502 is an abundant number, since it is smaller than the sum of its proper divisors (56172570).

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

55556502 is a wasteful number, since it uses less digits than its factorization.

55556502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51343.

The product of its (nonzero) digits is 37500, while the sum is 33.

The square root of 55556502 is about 7453.6234141523. The cubic root of 55556502 is about 381.5735809890.

The spelling of 55556502 in words is "fifty-five million, five hundred fifty-six thousand, five hundred two".