57666032055 has 32 divisors (see below), whose sum is σ = 106974673920. Its totient is φ = 29418032160.

The previous prime is 57666032033. The next prime is 57666032057. The reversal of 57666032055 is 55023066675.

It is not a de Polignac number, because 57666032055 - 2⁶ = 57666031991 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 57666032055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57666032057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9282891 + ... + 9289100.

It is an arithmetic number, because the mean of its divisors is an integer number (3342958560).

Almost surely, 2^57666032055 is an apocalyptic number.

57666032055 is a deficient number, since it is larger than the sum of its proper divisors (49308641865).

57666032055 is a wasteful number, since it uses less digits than its factorization.

57666032055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18572028 (or 18572022 counting only the distinct ones).

The product of its (nonzero) digits is 1134000, while the sum is 45.

The spelling of 57666032055 in words is "fifty-seven billion, six hundred sixty-six million, thirty-two thousand, fifty-five".