56731677 has 8 divisors (see below), whose sum is σ = 77069664. Its totient is φ = 37107408.

The previous prime is 56731673. The next prime is 56731681. The reversal of 56731677 is 77613765.

It is an interprime number because it is at equal distance from previous prime (56731673) and next prime (56731681).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56731677 - 2² = 56731673 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56731673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178243 + ... + 178560.

It is an arithmetic number, because the mean of its divisors is an integer number (9633708).

Almost surely, 2^56731677 is an apocalyptic number.

It is an amenable number.

56731677 is a deficient number, since it is larger than the sum of its proper divisors (20337987).

56731677 is a wasteful number, since it uses less digits than its factorization.

56731677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 356859.

The product of its digits is 185220, while the sum is 42.

The square root of 56731677 is about 7532.0433482555. The cubic root of 56731677 is about 384.2452792217.

The spelling of 56731677 in words is "fifty-six million, seven hundred thirty-one thousand, six hundred seventy-seven".