57555607 has 2 divisors, whose sum is σ = 57555608. Its totient is φ = 57555606.

The previous prime is 57555601. The next prime is 57555703. The reversal of 57555607 is 70655575.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 57555607 - 2³ = 57555599 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57555607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57555601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28777803 + 28777804.

It is an arithmetic number, because the mean of its divisors is an integer number (28777804).

Almost surely, 2^57555607 is an apocalyptic number.

57555607 is a deficient number, since it is larger than the sum of its proper divisors (1).

57555607 is an equidigital number, since it uses as much as digits as its factorization.

57555607 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183750, while the sum is 40.

The square root of 57555607 is about 7586.5411750020. The cubic root of 57555607 is about 386.0965131336.

The spelling of 57555607 in words is "fifty-seven million, five hundred fifty-five thousand, six hundred seven".