57453318 has 24 divisors (see below), whose sum is σ = 134058288. Its totient is φ = 17677872.

The previous prime is 57453311. The next prime is 57453343. The reversal of 57453318 is 81335475.

57453318 is a `hidden beast` number, since 574 + 53 + 31 + 8 = 666.

57453318 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57453311) 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 11 ways as a sum of consecutive naturals, for example, 122530 + ... + 122997.

It is an arithmetic number, because the mean of its divisors is an integer number (5585762).

Almost surely, 2^57453318 is an apocalyptic number.

57453318 is an abundant number, since it is smaller than the sum of its proper divisors (76604970).

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

57453318 is a wasteful number, since it uses less digits than its factorization.

57453318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245548 (or 245545 counting only the distinct ones).

The product of its digits is 50400, while the sum is 36.

The square root of 57453318 is about 7579.7966991206. The cubic root of 57453318 is about 385.8676512984.

The spelling of 57453318 in words is "fifty-seven million, four hundred fifty-three thousand, three hundred eighteen".