57475755 has 48 divisors (see below), whose sum is σ = 102435840. Its totient is φ = 29804544.

The previous prime is 57475753. The next prime is 57475787. The reversal of 57475755 is 55757475.

It is a happy number.

57475755 is a `hidden beast` number, since 5 + 74 + 7 + 575 + 5 = 666.

57475755 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57475755 - 2¹ = 57475753 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 57475755.

It is not an unprimeable number, because it can be changed into a prime (57475753) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 452502 + ... + 452628.

It is an arithmetic number, because the mean of its divisors is an integer number (2134080).

Almost surely, 2^57475755 is an apocalyptic number.

57475755 is a deficient number, since it is larger than the sum of its proper divisors (44960085).

57475755 is a wasteful number, since it uses less digits than its factorization.

57475755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 337 counting only the distinct ones).

The product of its digits is 857500, while the sum is 45.

The square root of 57475755 is about 7581.2766075378. The cubic root of 57475755 is about 385.9178751788.

The spelling of 57475755 in words is "fifty-seven million, four hundred seventy-five thousand, seven hundred fifty-five".