56260672221 has 16 divisors (see below), whose sum is σ = 80976465920. Its totient is φ = 34539704640.

The previous prime is 56260672189. The next prime is 56260672231. The reversal of 56260672221 is 12227606265.

It is not a de Polignac number, because 56260672221 - 2⁵ = 56260672189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a Duffinian number.

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 56260672221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56260672231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1696861 + ... + 1729698.

It is an arithmetic number, because the mean of its divisors is an integer number (5061029120).

Almost surely, 2^56260672221 is an apocalyptic number.

It is an amenable number.

56260672221 is a deficient number, since it is larger than the sum of its proper divisors (24715793699).

56260672221 is a wasteful number, since it uses less digits than its factorization.

56260672221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3426996.

The product of its (nonzero) digits is 120960, while the sum is 39.

The spelling of 56260672221 in words is "fifty-six billion, two hundred sixty million, six hundred seventy-two thousand, two hundred twenty-one".