56998901 has 4 divisors (see below), whose sum is σ = 57026112. Its totient is φ = 56971692.

The previous prime is 56998889. The next prime is 56998913. The reversal of 56998901 is 10989965.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (56998889) and next prime (56998913).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56998901 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 (56998961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10175 + ... + 14748.

It is an arithmetic number, because the mean of its divisors is an integer number (14256528).

Almost surely, 2^56998901 is an apocalyptic number.

It is an amenable number.

56998901 is a deficient number, since it is larger than the sum of its proper divisors (27211).

56998901 is a wasteful number, since it uses less digits than its factorization.

56998901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27210.

The product of its (nonzero) digits is 174960, while the sum is 47.

The square root of 56998901 is about 7549.7616518669. The cubic root of 56998901 is about 384.8476397184.

The spelling of 56998901 in words is "fifty-six million, nine hundred ninety-eight thousand, nine hundred one".