57622562209 has 3 divisors (see below), whose sum is σ = 57622802257. Its totient is φ = 57622322162.

The previous prime is 57622562203. The next prime is 57622562243. The reversal of 57622562209 is 90226522675.

The square root of 57622562209 is 240047.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 57622562209 - 2³⁵ = 23262823841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57622562203) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 120024 + ... + 360070.

Almost surely, 2^57622562209 is an apocalyptic number.

57622562209 is the 240047-th square number.

57622562209 is the 120024-th centered octagonal number.

It is an amenable number.

57622562209 is a deficient number, since it is larger than the sum of its proper divisors (240048).

57622562209 is an frugal number, since it uses more digits than its factorization.

57622562209 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480094 (or 240047 counting only the distinct ones).

The product of its (nonzero) digits is 907200, while the sum is 46.

The spelling of 57622562209 in words is "fifty-seven billion, six hundred twenty-two million, five hundred sixty-two thousand, two hundred nine".