57251023 has 4 divisors (see below), whose sum is σ = 57384288. Its totient is φ = 57117760.

The previous prime is 57251021. The next prime is 57251027. The reversal of 57251023 is 32015275.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57251023 - 2¹ = 57251021 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 (57251021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65986 + ... + 66847.

It is an arithmetic number, because the mean of its divisors is an integer number (14346072).

Almost surely, 2^57251023 is an apocalyptic number.

57251023 is a deficient number, since it is larger than the sum of its proper divisors (133265).

57251023 is a wasteful number, since it uses less digits than its factorization.

57251023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133264.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 57251023 is about 7566.4405766516. The cubic root of 57251023 is about 385.4142345357.

Adding to 57251023 its reverse (32015275), we get a palindrome (89266298).

The spelling of 57251023 in words is "fifty-seven million, two hundred fifty-one thousand, twenty-three".