56899439401 has 12 divisors (see below), whose sum is σ = 66433399680. Its totient is φ = 48590970120.

The previous prime is 56899439393. The next prime is 56899439417. The reversal of 56899439401 is 10493499865.

It is not a de Polignac number, because 56899439401 - 2³ = 56899439393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56899433401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2129181 + ... + 2155738.

It is an arithmetic number, because the mean of its divisors is an integer number (5536116640).

Almost surely, 2^56899439401 is an apocalyptic number.

It is an amenable number.

56899439401 is a deficient number, since it is larger than the sum of its proper divisors (9533960279).

56899439401 is a wasteful number, since it uses less digits than its factorization.

56899439401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4285204 (or 4285197 counting only the distinct ones).

The product of its (nonzero) digits is 8398080, while the sum is 58.

The spelling of 56899439401 in words is "fifty-six billion, eight hundred ninety-nine million, four hundred thirty-nine thousand, four hundred one".