57250384 has 10 divisors (see below), whose sum is σ = 110922650. Its totient is φ = 28625184.

The previous prime is 57250357. The next prime is 57250393. The reversal of 57250384 is 48305275.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 41473600 + 15776784 = 6440^2 + 3972^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1789059 + ... + 1789090.

It is an arithmetic number, because the mean of its divisors is an integer number (11092265).

Almost surely, 2^57250384 is an apocalyptic number.

It is an amenable number.

57250384 is a deficient number, since it is larger than the sum of its proper divisors (53672266).

57250384 is a wasteful number, since it uses less digits than its factorization.

57250384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3578157 (or 3578151 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 57250384 is about 7566.3983506025. The cubic root of 57250384 is about 385.4128006131.

Subtracting from 57250384 its sum of digits (34), we obtain a triangular number (57250350 = T₁₀₇₀₀).

The spelling of 57250384 in words is "fifty-seven million, two hundred fifty thousand, three hundred eighty-four".