57140265 has 64 divisors (see below), whose sum is σ = 115379712. Its totient is φ = 23500800.

The previous prime is 57140233. The next prime is 57140267. The reversal of 57140265 is 56204175.

It is not a de Polignac number, because 57140265 - 2⁵ = 57140233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57140267) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 55455 + ... + 56475.

It is an arithmetic number, because the mean of its divisors is an integer number (1802808).

Almost surely, 2^57140265 is an apocalyptic number.

It is an amenable number.

57140265 is an abundant number, since it is smaller than the sum of its proper divisors (58239447).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57140265 is a wasteful number, since it uses less digits than its factorization.

57140265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090.

The product of its (nonzero) digits is 8400, while the sum is 30.

The square root of 57140265 is about 7559.1180041060. The cubic root of 57140265 is about 385.1655329109.

The spelling of 57140265 in words is "fifty-seven million, one hundred forty thousand, two hundred sixty-five".