55938620 has 24 divisors (see below), whose sum is σ = 117939024. Its totient is φ = 22286336.

The previous prime is 55938587. The next prime is 55938643. The reversal of 55938620 is 2683955.

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, 302 + ... + 10581.

It is an arithmetic number, because the mean of its divisors is an integer number (4914126).

Almost surely, 2^55938620 is an apocalyptic number.

It is an amenable number.

55938620 is an abundant number, since it is smaller than the sum of its proper divisors (62000404).

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

55938620 is a wasteful number, since it uses less digits than its factorization.

55938620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11149 (or 11147 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 55938620 is about 7479.2125253933. The cubic root of 55938620 is about 382.4464048392.

The spelling of 55938620 in words is "fifty-five million, nine hundred thirty-eight thousand, six hundred twenty".