57253347 has 12 divisors (see below), whose sum is σ = 83228080. Its totient is φ = 37924848.

The previous prime is 57253321. The next prime is 57253369. The reversal of 57253347 is 74335275.

57253347 is a `hidden beast` number, since 572 + 53 + 34 + 7 = 666.

It is not a de Polignac number, because 57253347 - 2⁶ = 57253283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57253307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18847 + ... + 21672.

Almost surely, 2^57253347 is an apocalyptic number.

57253347 is a deficient number, since it is larger than the sum of its proper divisors (25974733).

57253347 is a wasteful number, since it uses less digits than its factorization.

57253347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40682 (or 40679 counting only the distinct ones).

The product of its digits is 88200, while the sum is 36.

The square root of 57253347 is about 7566.5941479638. The cubic root of 57253347 is about 385.4194495259.

It can be divided in two parts, 57253 and 347, that added together give a square (57600 = 240²).

The spelling of 57253347 in words is "fifty-seven million, two hundred fifty-three thousand, three hundred forty-seven".