57656060 has 96 divisors (see below), whose sum is σ = 156280320. Its totient is φ = 17337600.

The previous prime is 57656059. The next prime is 57656087. The reversal of 57656060 is 6065675.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 57656060.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44015 + ... + 45305.

It is an arithmetic number, because the mean of its divisors is an integer number (1627920).

Almost surely, 2^57656060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57656060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78140160).

57656060 is an abundant number, since it is smaller than the sum of its proper divisors (98624260).

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

57656060 is a wasteful number, since it uses less digits than its factorization.

57656060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1347 (or 1345 counting only the distinct ones).

The product of its (nonzero) digits is 37800, while the sum is 35.

The square root of 57656060 is about 7593.1587629919. The cubic root of 57656060 is about 386.3210033445.

The spelling of 57656060 in words is "fifty-seven million, six hundred fifty-six thousand, sixty".