55566016 has 28 divisors (see below), whose sum is σ = 120289320. Its totient is φ = 25256960.

The previous prime is 55566011. The next prime is 55566031. The reversal of 55566016 is 61066555.

It is a super-2 number, since 2×55566016² = 6175164268224512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55566011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38761 + ... + 40168.

Almost surely, 2^55566016 is an apocalyptic number.

It is an amenable number.

55566016 is an abundant number, since it is smaller than the sum of its proper divisors (64723304).

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

55566016 is a wasteful number, since it uses less digits than its factorization.

55566016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78952 (or 78942 counting only the distinct ones).

The product of its (nonzero) digits is 27000, while the sum is 34.

The square root of 55566016 is about 7454.2615999172. The cubic root of 55566016 is about 381.5953611210.

The spelling of 55566016 in words is "fifty-five million, five hundred sixty-six thousand, sixteen".