57231075 has 24 divisors (see below), whose sum is σ = 103225536. Its totient is φ = 27748000.

The previous prime is 57231047. The next prime is 57231077. The reversal of 57231075 is 57013275.

It is not a de Polignac number, because 57231075 - 2⁶ = 57231011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57231077) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33861 + ... + 35510.

It is an arithmetic number, because the mean of its divisors is an integer number (4301064).

Almost surely, 2^57231075 is an apocalyptic number.

57231075 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

57231075 is a deficient number, since it is larger than the sum of its proper divisors (45994461).

57231075 is a wasteful number, since it uses less digits than its factorization.

57231075 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69395 (or 69390 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 57231075 is about 7565.1222726404. The cubic root of 57231075 is about 385.3694659834.

It can be divided in two parts, 57 and 231075, that added together give a palindrome (231132).

The spelling of 57231075 in words is "fifty-seven million, two hundred thirty-one thousand, seventy-five".