57726897 has 4 divisors (see below), whose sum is σ = 76969200. Its totient is φ = 38484596.

The previous prime is 57726863. The next prime is 57726901. The reversal of 57726897 is 79862775.

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 57726897 - 2⁶ = 57726833 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57726817) 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, 9621147 + ... + 9621152.

It is an arithmetic number, because the mean of its divisors is an integer number (19242300).

Almost surely, 2^57726897 is an apocalyptic number.

It is an amenable number.

57726897 is a deficient number, since it is larger than the sum of its proper divisors (19242303).

57726897 is a wasteful number, since it uses less digits than its factorization.

57726897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19242302.

The product of its digits is 1481760, while the sum is 51.

The square root of 57726897 is about 7597.8218589277. The cubic root of 57726897 is about 386.4791516306.

The spelling of 57726897 in words is "fifty-seven million, seven hundred twenty-six thousand, eight hundred ninety-seven".