55363656 has 32 divisors (see below), whose sum is σ = 140081760. Its totient is φ = 18231552.

The previous prime is 55363631. The next prime is 55363703. The reversal of 55363656 is 65636355.

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, 11905 + ... + 15888.

It is an arithmetic number, because the mean of its divisors is an integer number (4377555).

Almost surely, 2^55363656 is an apocalyptic number.

It is an amenable number.

55363656 is an abundant number, since it is smaller than the sum of its proper divisors (84718104).

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

55363656 is a wasteful number, since it uses less digits than its factorization.

55363656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27885 (or 27881 counting only the distinct ones).

The product of its digits is 243000, while the sum is 39.

The square root of 55363656 is about 7440.6757757612. The cubic root of 55363656 is about 381.1315670474.

The spelling of 55363656 in words is "fifty-five million, three hundred sixty-three thousand, six hundred fifty-six".