57276769 has 16 divisors (see below), whose sum is σ = 64944000. Its totient is φ = 50037120.

The previous prime is 57276767. The next prime is 57276829. The reversal of 57276769 is 96767275.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 57276769 - 2¹ = 57276767 is a prime.

It is a super-2 number, since 2×57276769² = 6561256534158722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57276763) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 130252 + ... + 130690.

It is an arithmetic number, because the mean of its divisors is an integer number (4059000).

Almost surely, 2^57276769 is an apocalyptic number.

It is an amenable number.

57276769 is a deficient number, since it is larger than the sum of its proper divisors (7667231).

57276769 is a wasteful number, since it uses less digits than its factorization.

57276769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 888.

The product of its digits is 1111320, while the sum is 49.

The square root of 57276769 is about 7568.1417137895. The cubic root of 57276769 is about 385.4719999536.

The spelling of 57276769 in words is "fifty-seven million, two hundred seventy-six thousand, seven hundred sixty-nine".