56746857 has 8 divisors (see below), whose sum is σ = 76164160. Its totient is φ = 37580400.

The previous prime is 56746853. The next prime is 56746861. The reversal of 56746857 is 75864765.

It is an interprime number because it is at equal distance from previous prime (56746853) and next prime (56746861).

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

It is not a de Polignac number, because 56746857 - 2² = 56746853 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56746853) 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, 62182 + ... + 63087.

It is an arithmetic number, because the mean of its divisors is an integer number (9520520).

Almost surely, 2^56746857 is an apocalyptic number.

It is an amenable number.

56746857 is a deficient number, since it is larger than the sum of its proper divisors (19417303).

56746857 is a wasteful number, since it uses less digits than its factorization.

56746857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125423.

The product of its digits is 1411200, while the sum is 48.

The square root of 56746857 is about 7533.0509755344. The cubic root of 56746857 is about 384.2795476909.

The spelling of 56746857 in words is "fifty-six million, seven hundred forty-six thousand, eight hundred fifty-seven".