57999956 has 12 divisors (see below), whose sum is σ = 115999968. Its totient is φ = 24857112.

The previous prime is 57999941. The next prime is 58000003. The reversal of 57999956 is 65999975.

57999956 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 57999895 and 57999904.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1035686 + ... + 1035741.

It is an arithmetic number, because the mean of its divisors is an integer number (9666664).

Almost surely, 2^57999956 is an apocalyptic number.

It is an amenable number.

57999956 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57999956 is a wasteful number, since it uses less digits than its factorization.

57999956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071438 (or 2071436 counting only the distinct ones).

The product of its digits is 6889050, while the sum is 59.

The square root of 57999956 is about 7615.7702171218. The cubic root of 57999956 is about 387.0875661785.

The spelling of 57999956 in words is "fifty-seven million, nine hundred ninety-nine thousand, nine hundred fifty-six".