57140765 has 32 divisors (see below), whose sum is σ = 78731136. Its totient is φ = 39432960.

The previous prime is 57140747. The next prime is 57140773. The reversal of 57140765 is 56704175.

It is not a de Polignac number, because 57140765 - 2¹⁰ = 57139741 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 87179 + ... + 87831.

It is an arithmetic number, because the mean of its divisors is an integer number (2460348).

Almost surely, 2^57140765 is an apocalyptic number.

57140765 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57140765 is a deficient number, since it is larger than the sum of its proper divisors (21590371).

57140765 is a wasteful number, since it uses less digits than its factorization.

57140765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 749.

The product of its (nonzero) digits is 29400, while the sum is 35.

The square root of 57140765 is about 7559.1510766752. The cubic root of 57140765 is about 385.1666563580.

The spelling of 57140765 in words is "fifty-seven million, one hundred forty thousand, seven hundred sixty-five".