57561086 has 16 divisors (see below), whose sum is σ = 94411008. Its totient is φ = 26103000.

The previous prime is 57561083. The next prime is 57561109. The reversal of 57561086 is 68016575.

It is a happy number.

It is a pancake number, because a pancake can be divided into 57561086 parts by 10729 straight cuts.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57561083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7361 + ... + 13011.

It is an arithmetic number, because the mean of its divisors is an integer number (5900688).

Almost surely, 2^57561086 is an apocalyptic number.

57561086 is a deficient number, since it is larger than the sum of its proper divisors (36849922).

57561086 is a wasteful number, since it uses less digits than its factorization.

57561086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6127.

The product of its (nonzero) digits is 50400, while the sum is 38.

The square root of 57561086 is about 7586.9022664062. The cubic root of 57561086 is about 386.1087642173.

The spelling of 57561086 in words is "fifty-seven million, five hundred sixty-one thousand, eighty-six".