56553970 has 16 divisors (see below), whose sum is σ = 111051648. Its totient is φ = 20565040.

The previous prime is 56553961. The next prime is 56553977. The reversal of 56553970 is 7935565.

It is not an unprimeable number, because it can be changed into a prime (56553977) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 256954 + ... + 257173.

It is an arithmetic number, because the mean of its divisors is an integer number (6940728).

Almost surely, 2^56553970 is an apocalyptic number.

56553970 is a deficient number, since it is larger than the sum of its proper divisors (54497678).

56553970 is a wasteful number, since it uses less digits than its factorization.

56553970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514145.

The product of its (nonzero) digits is 141750, while the sum is 40.

The square root of 56553970 is about 7520.2373632752. The cubic root of 56553970 is about 383.8436547049.

The spelling of 56553970 in words is "fifty-six million, five hundred fifty-three thousand, nine hundred seventy".