56069477 has 4 divisors (see below), whose sum is σ = 56085120. Its totient is φ = 56053836.

The previous prime is 56069459. The next prime is 56069479. The reversal of 56069477 is 77496065.

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, and also an emirpimes, since its reverse is a distinct semiprime: 77496065 = 5 ⋅15499213.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56069477 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 (56069479) 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, 524 + ... + 10602.

It is an arithmetic number, because the mean of its divisors is an integer number (14021280).

Almost surely, 2^56069477 is an apocalyptic number.

It is an amenable number.

56069477 is a deficient number, since it is larger than the sum of its proper divisors (15643).

56069477 is a wasteful number, since it uses less digits than its factorization.

56069477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15642.

The product of its (nonzero) digits is 317520, while the sum is 44.

The square root of 56069477 is about 7487.9554619402. The cubic root of 56069477 is about 382.7443910716.

The spelling of 56069477 in words is "fifty-six million, sixty-nine thousand, four hundred seventy-seven".