57407975 has 12 divisors (see below), whose sum is σ = 71391264. Its totient is φ = 45793920.

The previous prime is 57407971. The next prime is 57407989. The reversal of 57407975 is 57970475.

It is not a de Polignac number, because 57407975 - 2² = 57407971 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57407971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6047 + ... + 12303.

It is an arithmetic number, because the mean of its divisors is an integer number (5949272).

Almost surely, 2^57407975 is an apocalyptic number.

57407975 is a deficient number, since it is larger than the sum of its proper divisors (13983289).

57407975 is a wasteful number, since it uses less digits than its factorization.

57407975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6634 (or 6629 counting only the distinct ones).

The product of its (nonzero) digits is 308700, while the sum is 44.

The square root of 57407975 is about 7576.8050654613. The cubic root of 57407975 is about 385.7661137816.

Subtracting 57407975 from its reverse (57970475), we obtain a square (562500 = 750²).

The spelling of 57407975 in words is "fifty-seven million, four hundred seven thousand, nine hundred seventy-five".