56958857 has 8 divisors (see below), whose sum is σ = 60673536. Its totient is φ = 53284672.

The previous prime is 56958829. The next prime is 56958859. The reversal of 56958857 is 75885965.

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

It is a cyclic number.

It is not a de Polignac number, because 56958857 - 2¹⁸ = 56696713 is a prime.

It is a super-2 number, since 2×56958857² = 6488622781492898, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56958799 and 56958808.

It is not an unprimeable number, because it can be changed into a prime (56958859) 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, 7193 + ... + 12870.

It is an arithmetic number, because the mean of its divisors is an integer number (7584192).

Almost surely, 2^56958857 is an apocalyptic number.

It is an amenable number.

56958857 is a deficient number, since it is larger than the sum of its proper divisors (3714679).

56958857 is a wasteful number, since it uses less digits than its factorization.

56958857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20247.

The product of its digits is 3024000, while the sum is 53.

The square root of 56958857 is about 7547.1091816668. The cubic root of 56958857 is about 384.7574950025.

The spelling of 56958857 in words is "fifty-six million, nine hundred fifty-eight thousand, eight hundred fifty-seven".