57472897 has 4 divisors (see below), whose sum is σ = 58809520. Its totient is φ = 56136276.

The previous prime is 57472889. The next prime is 57472901. The reversal of 57472897 is 79827475.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57472897 - 2³ = 57472889 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57472897.

It is not an unprimeable number, because it can be changed into a prime (57472297) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 668247 + ... + 668332.

It is an arithmetic number, because the mean of its divisors is an integer number (14702380).

Almost surely, 2^57472897 is an apocalyptic number.

It is an amenable number.

57472897 is a deficient number, since it is larger than the sum of its proper divisors (1336623).

57472897 is a wasteful number, since it uses less digits than its factorization.

57472897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336622.

The product of its digits is 987840, while the sum is 49.

The square root of 57472897 is about 7581.0881145123. The cubic root of 57472897 is about 385.9114784436.

The spelling of 57472897 in words is "fifty-seven million, four hundred seventy-two thousand, eight hundred ninety-seven".