56477312 has 16 divisors (see below), whose sum is σ = 112513650. Its totient is φ = 28238592.

The previous prime is 56477303. The next prime is 56477321. The reversal of 56477312 is 21377465.

It is an interprime number because it is at equal distance from previous prime (56477303) and next prime (56477321).

It can be written as a sum of positive squares in only one way, i.e., 56190016 + 287296 = 7496^2 + 536^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220487 + ... + 220742.

Almost surely, 2^56477312 is an apocalyptic number.

It is an amenable number.

56477312 is a deficient number, since it is larger than the sum of its proper divisors (56036338).

56477312 is an equidigital number, since it uses as much as digits as its factorization.

56477312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441243 (or 441231 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 56477312 is about 7515.1388543393. The cubic root of 56477312 is about 383.6701449772.

The spelling of 56477312 in words is "fifty-six million, four hundred seventy-seven thousand, three hundred twelve".