57745927272 has 128 divisors (see below), whose sum is σ = 158357928960. Its totient is φ = 17402526720.

The previous prime is 57745927223. The next prime is 57745927273. The reversal of 57745927272 is 27272954775.

It is a super-2 number, since 2×57745927272² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57745927273) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54323013 + ... + 54324075.

It is an arithmetic number, because the mean of its divisors is an integer number (1237171320).

Almost surely, 2^57745927272 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57745927272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79178964480).

57745927272 is an abundant number, since it is smaller than the sum of its proper divisors (100612001688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57745927272 is a wasteful number, since it uses less digits than its factorization.

57745927272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2023 (or 2019 counting only the distinct ones).

The product of its digits is 17287200, while the sum is 57.

The spelling of 57745927272 in words is "fifty-seven billion, seven hundred forty-five million, nine hundred twenty-seven thousand, two hundred seventy-two".