57663375 has 64 divisors (see below), whose sum is σ = 119688192. Its totient is φ = 23952000.

The previous prime is 57663373. The next prime is 57663377. The reversal of 57663375 is 57336675.

It is an interprime number because it is at equal distance from previous prime (57663373) and next prime (57663377).

It is not a de Polignac number, because 57663375 - 2¹ = 57663373 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57663373) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 27877 + ... + 29873.

It is an arithmetic number, because the mean of its divisors is an integer number (1870128).

Almost surely, 2^57663375 is an apocalyptic number.

57663375 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57663375 is an abundant number, since it is smaller than the sum of its proper divisors (62024817).

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

57663375 is a wasteful number, since it uses less digits than its factorization.

57663375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2033 (or 2023 counting only the distinct ones).

The product of its digits is 396900, while the sum is 42.

The square root of 57663375 is about 7593.6404313083. The cubic root of 57663375 is about 386.3373405612.

The spelling of 57663375 in words is "fifty-seven million, six hundred sixty-three thousand, three hundred seventy-five".