56552210 has 64 divisors (see below), whose sum is σ = 121492224. Its totient is φ = 18681600.

The previous prime is 56552203. The next prime is 56552231. The reversal of 56552210 is 1225565.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 56552210.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101252 + ... + 101808.

It is an arithmetic number, because the mean of its divisors is an integer number (1898316).

Almost surely, 2^56552210 is an apocalyptic number.

56552210 is an abundant number, since it is smaller than the sum of its proper divisors (64940014).

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

56552210 is a wasteful number, since it uses less digits than its factorization.

56552210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 659.

The product of its (nonzero) digits is 3000, while the sum is 26.

The square root of 56552210 is about 7520.1203447817. The cubic root of 56552210 is about 383.8396728339.

Adding to 56552210 its reverse (1225565), we get a palindrome (57777775).

The spelling of 56552210 in words is "fifty-six million, five hundred fifty-two thousand, two hundred ten".