55938656 has 12 divisors (see below), whose sum is σ = 110129292. Its totient is φ = 27969312.

The previous prime is 55938643. The next prime is 55938671. The reversal of 55938656 is 65683955.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 55938656.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 874010 + ... + 874073.

It is an arithmetic number, because the mean of its divisors is an integer number (9177441).

Almost surely, 2^55938656 is an apocalyptic number.

It is an amenable number.

55938656 is a deficient number, since it is larger than the sum of its proper divisors (54190636).

55938656 is a wasteful number, since it uses less digits than its factorization.

55938656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1748093 (or 1748085 counting only the distinct ones).

The product of its digits is 972000, while the sum is 47.

The square root of 55938656 is about 7479.2149320634. The cubic root of 55938656 is about 382.4464868819.

The spelling of 55938656 in words is "fifty-five million, nine hundred thirty-eight thousand, six hundred fifty-six".