57768231 has 8 divisors (see below), whose sum is σ = 77066224. Its totient is φ = 38491200.

The previous prime is 57768229. The next prime is 57768239. The reversal of 57768231 is 13286775.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57768231 - 2¹ = 57768229 is a prime.

It is a super-2 number, since 2×57768231² = 6674337025738722, which 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 57768231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57768239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3081 + ... + 11181.

It is an arithmetic number, because the mean of its divisors is an integer number (9633278).

Almost surely, 2^57768231 is an apocalyptic number.

57768231 is a deficient number, since it is larger than the sum of its proper divisors (19297993).

57768231 is a wasteful number, since it uses less digits than its factorization.

57768231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10481.

The product of its digits is 70560, while the sum is 39.

The square root of 57768231 is about 7600.5414938674. The cubic root of 57768231 is about 386.5713727547.

The spelling of 57768231 in words is "fifty-seven million, seven hundred sixty-eight thousand, two hundred thirty-one".