57556081 has 8 divisors (see below), whose sum is σ = 62849664. Its totient is φ = 52272720.

The previous prime is 57556063. The next prime is 57556133. The reversal of 57556081 is 18065575.

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 57556081 - 2⁹ = 57555569 is a prime.

It is a super-2 number, since 2×57556081² = 6625404920157122, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57556081.

It is not an unprimeable number, because it can be changed into a prime (57556381) 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, 13815 + ... + 17491.

It is an arithmetic number, because the mean of its divisors is an integer number (7856208).

Almost surely, 2^57556081 is an apocalyptic number.

It is an amenable number.

57556081 is a deficient number, since it is larger than the sum of its proper divisors (5293583).

57556081 is a wasteful number, since it uses less digits than its factorization.

57556081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5111.

The product of its (nonzero) digits is 42000, while the sum is 37.

The square root of 57556081 is about 7586.5724144702. The cubic root of 57556081 is about 386.0975730318.

The spelling of 57556081 in words is "fifty-seven million, five hundred fifty-six thousand, eighty-one".