55615376 has 20 divisors (see below), whose sum is σ = 107982300. Its totient is φ = 27748992.

The previous prime is 55615367. The next prime is 55615387. The reversal of 55615376 is 67351655.

It can be written as a sum of positive squares in 2 ways, for example, as 38142976 + 17472400 = 6176^2 + 4180^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4730 + ... + 11558.

It is an arithmetic number, because the mean of its divisors is an integer number (5399115).

Almost surely, 2^55615376 is an apocalyptic number.

It is an amenable number.

55615376 is a deficient number, since it is larger than the sum of its proper divisors (52366924).

55615376 is a wasteful number, since it uses less digits than its factorization.

55615376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7346 (or 7340 counting only the distinct ones).

The product of its digits is 94500, while the sum is 38.

The square root of 55615376 is about 7457.5717227527. The cubic root of 55615376 is about 381.7083196872.

The spelling of 55615376 in words is "fifty-five million, six hundred fifteen thousand, three hundred seventy-six".