57768290 has 24 divisors (see below), whose sum is σ = 107707860. Its totient is φ = 22307264.

The previous prime is 57768259. The next prime is 57768299. The reversal of 57768290 is 9286775.

It can be written as a sum of positive squares in 6 ways, for example, as 9006001 + 48762289 = 3001^2 + 6983^2 .

It is not an unprimeable number, because it can be changed into a prime (57768299) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4976 + ... + 11844.

Almost surely, 2^57768290 is an apocalyptic number.

57768290 is a deficient number, since it is larger than the sum of its proper divisors (49939570).

57768290 is a wasteful number, since it uses less digits than its factorization.

57768290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6934 (or 6905 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 44.

The square root of 57768290 is about 7600.5453751688. The cubic root of 57768290 is about 386.5715043594.

The spelling of 57768290 in words is "fifty-seven million, seven hundred sixty-eight thousand, two hundred ninety".