57229717 has 4 divisors (see below), whose sum is σ = 57257856. Its totient is φ = 57201580.

The previous prime is 57229703. The next prime is 57229747. The reversal of 57229717 is 71792275.

It is a happy number.

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 57229717 - 2¹¹ = 57227669 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 57229717.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57229747) 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, 10759 + ... + 15172.

It is an arithmetic number, because the mean of its divisors is an integer number (14314464).

Almost surely, 2^57229717 is an apocalyptic number.

It is an amenable number.

57229717 is a deficient number, since it is larger than the sum of its proper divisors (28139).

57229717 is a wasteful number, since it uses less digits than its factorization.

57229717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28138.

The product of its digits is 61740, while the sum is 40.

The square root of 57229717 is about 7565.0325181059. The cubic root of 57229717 is about 385.3664178965.

The spelling of 57229717 in words is "fifty-seven million, two hundred twenty-nine thousand, seven hundred seventeen".