56545016 has 16 divisors (see below), whose sum is σ = 115660440. Its totient is φ = 25702240.

The previous prime is 56544989. The next prime is 56545057. The reversal of 56545016 is 61054565.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 321191 + ... + 321366.

Almost surely, 2^56545016 is an apocalyptic number.

It is an amenable number.

56545016 is an abundant number, since it is smaller than the sum of its proper divisors (59115424).

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

56545016 is a wasteful number, since it uses less digits than its factorization.

56545016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 642574 (or 642570 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 56545016 is about 7519.6420127557. The cubic root of 56545016 is about 383.8233960771.

The spelling of 56545016 in words is "fifty-six million, five hundred forty-five thousand, sixteen".