57258661 has 8 divisors (see below), whose sum is σ = 60062400. Its totient is φ = 54481152.

The previous prime is 57258653. The next prime is 57258667. The reversal of 57258661 is 16685275.

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

It is a cyclic number.

It is not a de Polignac number, because 57258661 - 2³ = 57258653 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57258667) 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, 2011 + ... + 10888.

It is an arithmetic number, because the mean of its divisors is an integer number (7507800).

Almost surely, 2^57258661 is an apocalyptic number.

It is an amenable number.

57258661 is a deficient number, since it is larger than the sum of its proper divisors (2803739).

57258661 is a wasteful number, since it uses less digits than its factorization.

57258661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13115.

The product of its digits is 100800, while the sum is 40.

The square root of 57258661 is about 7566.9452885560. The cubic root of 57258661 is about 385.4313734610.

The spelling of 57258661 in words is "fifty-seven million, two hundred fifty-eight thousand, six hundred sixty-one".