56902169 has 8 divisors (see below), whose sum is σ = 60742080. Its totient is φ = 53146800.

The previous prime is 56902129. The next prime is 56902177. The reversal of 56902169 is 96120965.

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

It is a de Polignac number, because none of the positive numbers 2^k-56902169 is a prime.

It is a super-2 number, since 2×56902169² = 6475713673809122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56902129) 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, 19742 + ... + 22439.

It is an arithmetic number, because the mean of its divisors is an integer number (7592760).

Almost surely, 2^56902169 is an apocalyptic number.

It is an amenable number.

56902169 is a deficient number, since it is larger than the sum of its proper divisors (3839911).

56902169 is a wasteful number, since it uses less digits than its factorization.

56902169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42271.

The product of its (nonzero) digits is 29160, while the sum is 38.

The square root of 56902169 is about 7543.3526365934. The cubic root of 56902169 is about 384.6298100159.

Subtracting 56902169 from its reverse (96120965), we obtain a triangular number (39218796 = T₈₈₅₆).

The spelling of 56902169 in words is "fifty-six million, nine hundred two thousand, one hundred sixty-nine".