56210022989 has 32 divisors (see below), whose sum is σ = 60086845440. Its totient is φ = 52470633600.

The previous prime is 56210022961. The next prime is 56210023013. The reversal of 56210022989 is 98922001265.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56210022989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56210022289) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 117348452 + ... + 117348930.

It is an arithmetic number, because the mean of its divisors is an integer number (1877713920).

Almost surely, 2^56210022989 is an apocalyptic number.

It is an amenable number.

56210022989 is a deficient number, since it is larger than the sum of its proper divisors (3876822451).

56210022989 is a wasteful number, since it uses less digits than its factorization.

56210022989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 56210022989 in words is "fifty-six billion, two hundred ten million, twenty-two thousand, nine hundred eighty-nine".