57520265 has 16 divisors (see below), whose sum is σ = 79729920. Its totient is φ = 39371520.

The previous prime is 57520261. The next prime is 57520289. The reversal of 57520265 is 56202575.

57520265 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 57520265 - 2² = 57520261 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57520261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29825 + ... + 31694.

It is an arithmetic number, because the mean of its divisors is an integer number (4983120).

Almost surely, 2^57520265 is an apocalyptic number.

57520265 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

57520265 is a deficient number, since it is larger than the sum of its proper divisors (22209655).

57520265 is a wasteful number, since it uses less digits than its factorization.

57520265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61552.

The product of its (nonzero) digits is 21000, while the sum is 32.

The square root of 57520265 is about 7584.2115608677. The cubic root of 57520265 is about 386.0174694770.

The spelling of 57520265 in words is "fifty-seven million, five hundred twenty thousand, two hundred sixty-five".