57494307 has 24 divisors (see below), whose sum is σ = 83670528. Its totient is φ = 35100000.

The previous prime is 57494303. The next prime is 57494317. The reversal of 57494307 is 70349475.

It is not a de Polignac number, because 57494307 - 2² = 57494303 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is the 7583-rd Hogben number.

It is not an unprimeable number, because it can be changed into a prime (57494303) by changing a digit.

It is a nontrivial repunit in base 7582.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76182 + ... + 76932.

It is an arithmetic number, because the mean of its divisors is an integer number (3486272).

Almost surely, 2^57494307 is an apocalyptic number.

57494307 is a deficient number, since it is larger than the sum of its proper divisors (26176221).

57494307 is a wasteful number, since it uses less digits than its factorization.

57494307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 931 (or 918 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 39.

The square root of 57494307 is about 7582.5000494560. The cubic root of 57494307 is about 385.9593928486.

The spelling of 57494307 in words is "fifty-seven million, four hundred ninety-four thousand, three hundred seven".