56731470 has 16 divisors (see below), whose sum is σ = 136155600. Its totient is φ = 15128384.

The previous prime is 56731447. The next prime is 56731483. The reversal of 56731470 is 7413765.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 945495 + ... + 945554.

It is an arithmetic number, because the mean of its divisors is an integer number (8509725).

Almost surely, 2^56731470 is an apocalyptic number.

56731470 is an abundant number, since it is smaller than the sum of its proper divisors (79424130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56731470 is a wasteful number, since it uses less digits than its factorization.

56731470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1891059.

The product of its (nonzero) digits is 17640, while the sum is 33.

The square root of 56731470 is about 7532.0296069519. The cubic root of 56731470 is about 384.2448118821.

The spelling of 56731470 in words is "fifty-six million, seven hundred thirty-one thousand, four hundred seventy".