57456273 has 16 divisors (see below), whose sum is σ = 89340800. Its totient is φ = 32831568.

The previous prime is 57456271. The next prime is 57456283. The reversal of 57456273 is 37265475.

It is not a de Polignac number, because 57456273 - 2¹ = 57456271 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57456271) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26890 + ... + 28947.

It is an arithmetic number, because the mean of its divisors is an integer number (5583800).

Almost surely, 2^57456273 is an apocalyptic number.

It is an amenable number.

57456273 is a deficient number, since it is larger than the sum of its proper divisors (31884527).

57456273 is an equidigital number, since it uses as much as digits as its factorization.

57456273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55861 (or 55847 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 57456273 is about 7579.9916226867. The cubic root of 57456273 is about 385.8742666365.

The spelling of 57456273 in words is "fifty-seven million, four hundred fifty-six thousand, two hundred seventy-three".