56894722937 has 8 divisors (see below), whose sum is σ = 61286399496. Its totient is φ = 52505212032.

The previous prime is 56894722909. The next prime is 56894722979. The reversal of 56894722937 is 73922749865.

It can be written as a sum of positive squares in 4 ways, for example, as 2411693881 + 54483029056 = 49109^2 + 233416^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56894722937 - 2⁶ = 56894722873 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56894722937.

It is not an unprimeable number, because it can be changed into a prime (56894722037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 486638 + ... + 592119.

It is an arithmetic number, because the mean of its divisors is an integer number (7660799937).

Almost surely, 2^56894722937 is an apocalyptic number.

It is an amenable number.

56894722937 is a deficient number, since it is larger than the sum of its proper divisors (4391676559).

56894722937 is a wasteful number, since it uses less digits than its factorization.

56894722937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1082827.

The product of its digits is 45722880, while the sum is 62.

The spelling of 56894722937 in words is "fifty-six billion, eight hundred ninety-four million, seven hundred twenty-two thousand, nine hundred thirty-seven".