55526570 has 16 divisors (see below), whose sum is σ = 109034208. Its totient is φ = 20191440.

The previous prime is 55526557. The next prime is 55526629. The reversal of 55526570 is 7562555.

55526570 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 55526570.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 252284 + ... + 252503.

It is an arithmetic number, because the mean of its divisors is an integer number (6814638).

Almost surely, 2^55526570 is an apocalyptic number.

55526570 is a deficient number, since it is larger than the sum of its proper divisors (53507638).

55526570 is a wasteful number, since it uses less digits than its factorization.

55526570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 504805.

The product of its (nonzero) digits is 52500, while the sum is 35.

The square root of 55526570 is about 7451.6152611363. The cubic root of 55526570 is about 381.5050422836.

It can be divided in two parts, 55 and 526570, that added together give a palindrome (526625).

The spelling of 55526570 in words is "fifty-five million, five hundred twenty-six thousand, five hundred seventy".