56469287 has 8 divisors (see below), whose sum is σ = 64778400. Its totient is φ = 48220704.

The previous prime is 56469271. The next prime is 56469307. The reversal of 56469287 is 78296465.

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

It is not a de Polignac number, because 56469287 - 2⁴ = 56469271 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 (56469187) 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, 13112 + ... + 16877.

It is an arithmetic number, because the mean of its divisors is an integer number (8097300).

Almost surely, 2^56469287 is an apocalyptic number.

56469287 is a deficient number, since it is larger than the sum of its proper divisors (8309113).

56469287 is a wasteful number, since it uses less digits than its factorization.

56469287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30265.

The product of its digits is 725760, while the sum is 47.

The square root of 56469287 is about 7514.6049131009. The cubic root of 56469287 is about 383.6519719053.

The spelling of 56469287 in words is "fifty-six million, four hundred sixty-nine thousand, two hundred eighty-seven".