56945469 has 16 divisors (see below), whose sum is σ = 86884992. Its totient is φ = 32498688.

The previous prime is 56945467. The next prime is 56945477. The reversal of 56945469 is 96454965.

It is not a de Polignac number, because 56945469 - 2¹ = 56945467 is a prime.

It is a super-2 number, since 2×56945469² = 6485572879259922, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56945467) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23917 + ... + 26189.

It is an arithmetic number, because the mean of its divisors is an integer number (5430312).

Almost surely, 2^56945469 is an apocalyptic number.

It is an amenable number.

56945469 is a deficient number, since it is larger than the sum of its proper divisors (29939523).

56945469 is a wasteful number, since it uses less digits than its factorization.

56945469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3476.

The product of its digits is 1166400, while the sum is 48.

The square root of 56945469 is about 7546.2221674160. Note that the first 3 decimals coincide. The cubic root of 56945469 is about 384.7273472944.

The spelling of 56945469 in words is "fifty-six million, nine hundred forty-five thousand, four hundred sixty-nine".