57344890 has 16 divisors (see below), whose sum is σ = 106780680. Its totient is φ = 22146880.

The previous prime is 57344839. The next prime is 57344897. The reversal of 57344890 is 9844375.

It can be written as a sum of positive squares in 4 ways, for example, as 35414401 + 21930489 = 5951^2 + 4683^2 .

It is a super-2 number, since 2×57344890² = 6576872818224200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57344897) 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, 98581 + ... + 99160.

Almost surely, 2^57344890 is an apocalyptic number.

57344890 is a deficient number, since it is larger than the sum of its proper divisors (49435790).

57344890 is a wasteful number, since it uses less digits than its factorization.

57344890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197777.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 57344890 is about 7572.6408867713. The cubic root of 57344890 is about 385.6247572601.

The spelling of 57344890 in words is "fifty-seven million, three hundred forty-four thousand, eight hundred ninety".