55952290 has 32 divisors (see below), whose sum is σ = 103783680. Its totient is φ = 21705600.

The previous prime is 55952243. The next prime is 55952291. The reversal of 55952290 is 9225955.

55952290 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55952291) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 97705 + ... + 98275.

It is an arithmetic number, because the mean of its divisors is an integer number (3243240).

Almost surely, 2^55952290 is an apocalyptic number.

55952290 is a deficient number, since it is larger than the sum of its proper divisors (47831390).

55952290 is a wasteful number, since it uses less digits than its factorization.

55952290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 858.

The product of its (nonzero) digits is 40500, while the sum is 37.

The square root of 55952290 is about 7480.1263358315. The cubic root of 55952290 is about 382.4775557480.

The spelling of 55952290 in words is "fifty-five million, nine hundred fifty-two thousand, two hundred ninety".