55717356 has 12 divisors (see below), whose sum is σ = 130007192. Its totient is φ = 18572448.

The previous prime is 55717331. The next prime is 55717369. The reversal of 55717356 is 65371755.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 2321545 + ... + 2321568.

Almost surely, 2^55717356 is an apocalyptic number.

It is an amenable number.

55717356 is an abundant number, since it is smaller than the sum of its proper divisors (74289836).

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

55717356 is a wasteful number, since it uses less digits than its factorization.

55717356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4643120 (or 4643118 counting only the distinct ones).

The product of its digits is 110250, while the sum is 39.

The square root of 55717356 is about 7464.4059375144. The cubic root of 55717356 is about 381.9414856966.

The spelling of 55717356 in words is "fifty-five million, seven hundred seventeen thousand, three hundred fifty-six".