57272317726 has 12 divisors (see below), whose sum is σ = 93025155672. Its totient is φ = 26433377256.

The previous prime is 57272317721. The next prime is 57272317777. The reversal of 57272317726 is 62771327275.

It is a super-2 number, since 2×57272317726² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57272317726.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57272317721) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 84722026 + ... + 84722701.

It is an arithmetic number, because the mean of its divisors is an integer number (7752096306).

Almost surely, 2^57272317726 is an apocalyptic number.

57272317726 is a deficient number, since it is larger than the sum of its proper divisors (35752837946).

57272317726 is a wasteful number, since it uses less digits than its factorization.

57272317726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169444755 (or 169444742 counting only the distinct ones).

The product of its digits is 1728720, while the sum is 49.

The spelling of 57272317726 in words is "fifty-seven billion, two hundred seventy-two million, three hundred seventeen thousand, seven hundred twenty-six".