56735477 has 4 divisors (see below), whose sum is σ = 60072876. Its totient is φ = 53398080.

The previous prime is 56735473. The next prime is 56735479. The reversal of 56735477 is 77453765.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40462321 + 16273156 = 6361^2 + 4034^2 .

It is a cyclic number.

It is not a de Polignac number, because 56735477 - 2² = 56735473 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 (56735473) 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, 1668674 + ... + 1668707.

It is an arithmetic number, because the mean of its divisors is an integer number (15018219).

Almost surely, 2^56735477 is an apocalyptic number.

It is an amenable number.

56735477 is a deficient number, since it is larger than the sum of its proper divisors (3337399).

56735477 is a wasteful number, since it uses less digits than its factorization.

56735477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337398.

The product of its digits is 617400, while the sum is 44.

The square root of 56735477 is about 7532.2955996164. The cubic root of 56735477 is about 384.2538581999.

The spelling of 56735477 in words is "fifty-six million, seven hundred thirty-five thousand, four hundred seventy-seven".