56671716 has 48 divisors (see below), whose sum is σ = 137170880. Its totient is φ = 18195840.

The previous prime is 56671709. The next prime is 56671739. The reversal of 56671716 is 61717665.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47811 + ... + 48981.

Almost surely, 2^56671716 is an apocalyptic number.

It is an amenable number.

56671716 is an abundant number, since it is smaller than the sum of its proper divisors (80499164).

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

56671716 is a wasteful number, since it uses less digits than its factorization.

56671716 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324 (or 1322 counting only the distinct ones).

The product of its digits is 52920, while the sum is 39.

The square root of 56671716 is about 7528.0619019772. The cubic root of 56671716 is about 384.1098589753.

The spelling of 56671716 in words is "fifty-six million, six hundred seventy-one thousand, seven hundred sixteen".