56671724 has 12 divisors (see below), whose sum is σ = 103487664. Its totient is φ = 27103824.

The previous prime is 56671709. The next prime is 56671739. The reversal of 56671724 is 42717665.

It is an interprime number because it is at equal distance from previous prime (56671709) and next prime (56671739).

It is a super-2 number, since 2×56671724² = 6423368602264352, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307907 + ... + 308090.

It is an arithmetic number, because the mean of its divisors is an integer number (8623972).

Almost surely, 2^56671724 is an apocalyptic number.

It is an amenable number.

56671724 is a deficient number, since it is larger than the sum of its proper divisors (46815940).

56671724 is a wasteful number, since it uses less digits than its factorization.

56671724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616024 (or 616022 counting only the distinct ones).

The product of its digits is 70560, while the sum is 38.

The square root of 56671724 is about 7528.0624333224. The cubic root of 56671724 is about 384.1098770495.

The spelling of 56671724 in words is "fifty-six million, six hundred seventy-one thousand, seven hundred twenty-four".