57122722507 has 4 divisors (see below), whose sum is σ = 57136682800. Its totient is φ = 57108762216.

The previous prime is 57122722471. The next prime is 57122722549. The reversal of 57122722507 is 70522722175.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57122722507 - 2¹⁵ = 57122689739 is a prime.

It is a super-2 number, since 2×57122722507² (a number of 22 digits) contains 22 as substring.

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 57122722507.

It is not an unprimeable number, because it can be changed into a prime (57122725507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6974007 + ... + 6982192.

It is an arithmetic number, because the mean of its divisors is an integer number (14284170700).

Almost surely, 2^57122722507 is an apocalyptic number.

57122722507 is a deficient number, since it is larger than the sum of its proper divisors (13960293).

57122722507 is a wasteful number, since it uses less digits than its factorization.

57122722507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13960292.

The product of its (nonzero) digits is 137200, while the sum is 40.

The spelling of 57122722507 in words is "fifty-seven billion, one hundred twenty-two million, seven hundred twenty-two thousand, five hundred seven".