57797272 has 16 divisors (see below), whose sum is σ = 116706240. Its totient is φ = 26675616.

The previous prime is 57797251. The next prime is 57797287. The reversal of 57797272 is 27279775.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 277768 + ... + 277975.

It is an arithmetic number, because the mean of its divisors is an integer number (7294140).

Almost surely, 2^57797272 is an apocalyptic number.

57797272 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

57797272 is an abundant number, since it is smaller than the sum of its proper divisors (58908968).

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

57797272 is a wasteful number, since it uses less digits than its factorization.

57797272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 555762 (or 555758 counting only the distinct ones).

The product of its digits is 432180, while the sum is 46.

The square root of 57797272 is about 7602.4517098105. The cubic root of 57797272 is about 386.6361404095.

The spelling of 57797272 in words is "fifty-seven million, seven hundred ninety-seven thousand, two hundred seventy-two".