56278736 has 10 divisors (see below), whose sum is σ = 109040082. Its totient is φ = 28139360.

The previous prime is 56278709. The next prime is 56278751. The reversal of 56278736 is 63787265.

It can be written as a sum of positive squares in only one way, i.e., 35521600 + 20757136 = 5960^2 + 4556^2 .

It is a super-2 number, since 2×56278736² = 6334592251515392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1758695 + ... + 1758726.

Almost surely, 2^56278736 is an apocalyptic number.

It is an amenable number.

56278736 is a deficient number, since it is larger than the sum of its proper divisors (52761346).

56278736 is a wasteful number, since it uses less digits than its factorization.

56278736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3517429 (or 3517423 counting only the distinct ones).

The product of its digits is 423360, while the sum is 44.

The square root of 56278736 is about 7501.9154887269. The cubic root of 56278736 is about 383.2199515125.

The spelling of 56278736 in words is "fifty-six million, two hundred seventy-eight thousand, seven hundred thirty-six".