57466890 has 48 divisors (see below), whose sum is σ = 160910568. Its totient is φ = 14145408.

The previous prime is 57466873. The next prime is 57466907. The reversal of 57466890 is 9866475.

It is an interprime number because it is at equal distance from previous prime (57466873) and next prime (57466907).

It can be written as a sum of positive squares in 4 ways, for example, as 47900241 + 9566649 = 6921^2 + 3093^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23389 + ... + 25728.

Almost surely, 2^57466890 is an apocalyptic number.

57466890 is an abundant number, since it is smaller than the sum of its proper divisors (103443678).

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

57466890 is a wasteful number, since it uses less digits than its factorization.

57466890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49143 (or 49140 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 45.

The square root of 57466890 is about 7580.6919209265. The cubic root of 57466890 is about 385.8980329696.

The spelling of 57466890 in words is "fifty-seven million, four hundred sixty-six thousand, eight hundred ninety".