57481585 has 16 divisors (see below), whose sum is σ = 79833600. Its totient is φ = 38915136.

The previous prime is 57481579. The next prime is 57481639. The reversal of 57481585 is 58518475.

It is a cyclic number.

It is not a de Polignac number, because 57481585 - 2⁵ = 57481553 is a prime.

It is a super-2 number, since 2×57481585² = 6608265228224450, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7630 + ... + 13159.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^57481585 is an apocalyptic number.

It is an amenable number.

57481585 is a deficient number, since it is larger than the sum of its proper divisors (22352015).

57481585 is a wasteful number, since it uses less digits than its factorization.

57481585 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20880.

The product of its digits is 224000, while the sum is 43.

The square root of 57481585 is about 7581.6610976751. The cubic root of 57481585 is about 385.9309231451.

It can be divided in two parts, 57 and 481585, that multiplied together give a triangular number (27450345 = T₇₄₀₉).

The spelling of 57481585 in words is "fifty-seven million, four hundred eighty-one thousand, five hundred eighty-five".