57465220 has 12 divisors (see below), whose sum is σ = 120677004. Its totient is φ = 22986080.

The previous prime is 57465209. The next prime is 57465229. The reversal of 57465220 is 2256475.

57465220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42224004 + 15241216 = 6498^2 + 3904^2 .

It is not an unprimeable number, because it can be changed into a prime (57465229) 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 3 ways as a sum of consecutive naturals, for example, 1436611 + ... + 1436650.

It is an arithmetic number, because the mean of its divisors is an integer number (10056417).

Almost surely, 2^57465220 is an apocalyptic number.

It is an amenable number.

57465220 is an abundant number, since it is smaller than the sum of its proper divisors (63211784).

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

57465220 is a wasteful number, since it uses less digits than its factorization.

57465220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2873270 (or 2873268 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 31.

The square root of 57465220 is about 7580.5817718695. The cubic root of 57465220 is about 385.8942948405.

The spelling of 57465220 in words is "fifty-seven million, four hundred sixty-five thousand, two hundred twenty".