57661059 has 16 divisors (see below), whose sum is σ = 83606688. Its totient is φ = 35200512.

The previous prime is 57661039. The next prime is 57661103. The reversal of 57661059 is 95016675.

It is not a de Polignac number, because 57661059 - 2¹⁶ = 57595523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57661039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13392 + ... + 17165.

It is an arithmetic number, because the mean of its divisors is an integer number (5225418).

Almost surely, 2^57661059 is an apocalyptic number.

57661059 is a deficient number, since it is larger than the sum of its proper divisors (25945629).

57661059 is a wasteful number, since it uses less digits than its factorization.

57661059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30614.

The product of its (nonzero) digits is 56700, while the sum is 39.

The square root of 57661059 is about 7593.4879337495. The cubic root of 57661059 is about 386.3321681893.

The spelling of 57661059 in words is "fifty-seven million, six hundred sixty-one thousand, fifty-nine".