57258291 has 8 divisors (see below), whose sum is σ = 76380304. Its totient is φ = 38154240.

The previous prime is 57258287. The next prime is 57258317. The reversal of 57258291 is 19285275.

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

It is not a de Polignac number, because 57258291 - 2² = 57258287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57258211) 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, 7611 + ... + 13131.

It is an arithmetic number, because the mean of its divisors is an integer number (9547538).

Almost surely, 2^57258291 is an apocalyptic number.

57258291 is a deficient number, since it is larger than the sum of its proper divisors (19122013).

57258291 is a wasteful number, since it uses less digits than its factorization.

57258291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8981.

The product of its digits is 50400, while the sum is 39.

The square root of 57258291 is about 7566.9208400776. The cubic root of 57258291 is about 385.4305432523.

The spelling of 57258291 in words is "fifty-seven million, two hundred fifty-eight thousand, two hundred ninety-one".