57250120 has 16 divisors (see below), whose sum is σ = 128812860. Its totient is φ = 22900032.

The previous prime is 57250099. The next prime is 57250129. The reversal of 57250120 is 2105275.

It can be written as a sum of positive squares in 2 ways, for example, as 47251876 + 9998244 = 6874^2 + 3162^2 .

It is a junction number, because it is equal to n+sod(n) for n = 57250091 and 57250100.

It is not an unprimeable number, because it can be changed into a prime (57250129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 715587 + ... + 715666.

Almost surely, 2^57250120 is an apocalyptic number.

It is an amenable number.

57250120 is an abundant number, since it is smaller than the sum of its proper divisors (71562740).

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

57250120 is a wasteful number, since it uses less digits than its factorization.

57250120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1431264 (or 1431260 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 57250120 is about 7566.3809050298. The cubic root of 57250120 is about 385.4122081913.

Adding to 57250120 its reverse (2105275), we get a palindrome (59355395).

The spelling of 57250120 in words is "fifty-seven million, two hundred fifty thousand, one hundred twenty".