56220592390 has 64 divisors (see below), whose sum is σ = 110183929344. Its totient is φ = 20567513088.

The previous prime is 56220592381. The next prime is 56220592403. The reversal of 56220592390 is 9329502265.

It is a congruent number.

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 31 ways as a sum of consecutive naturals, for example, 5423092 + ... + 5433448.

It is an arithmetic number, because the mean of its divisors is an integer number (1721623896).

Almost surely, 2^56220592390 is an apocalyptic number.

56220592390 is a deficient number, since it is larger than the sum of its proper divisors (53963336954).

56220592390 is a wasteful number, since it uses less digits than its factorization.

56220592390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11281.

The product of its (nonzero) digits is 291600, while the sum is 43.

The spelling of 56220592390 in words is "fifty-six billion, two hundred twenty million, five hundred ninety-two thousand, three hundred ninety".