56553170 has 16 divisors (see below), whose sum is σ = 104163840. Its totient is φ = 22095024.

The previous prime is 56553163. The next prime is 56553187. The reversal of 56553170 is 7135565.

It is a super-2 number, since 2×56553170² = 6396522074097800, which contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 65330 + ... + 66189.

It is an arithmetic number, because the mean of its divisors is an integer number (6510240).

Almost surely, 2^56553170 is an apocalyptic number.

56553170 is a deficient number, since it is larger than the sum of its proper divisors (47610670).

56553170 is a wasteful number, since it uses less digits than its factorization.

56553170 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131569.

The product of its (nonzero) digits is 15750, while the sum is 32.

The square root of 56553170 is about 7520.1841732766. The cubic root of 56553170 is about 383.8418447738.

It can be divided in two parts, 565 and 53170, that added together give a palindrome (53735).

The spelling of 56553170 in words is "fifty-six million, five hundred fifty-three thousand, one hundred seventy".