57144250 has 16 divisors (see below), whose sum is σ = 106974504. Its totient is φ = 22857600.

The previous prime is 57144247. The next prime is 57144277. The reversal of 57144250 is 5244175.

It can be written as a sum of positive squares in 4 ways, for example, as 4247721 + 52896529 = 2061^2 + 7273^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 114039 + ... + 114538.

Almost surely, 2^57144250 is an apocalyptic number.

57144250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57144250 is a deficient number, since it is larger than the sum of its proper divisors (49830254).

57144250 is a wasteful number, since it uses less digits than its factorization.

57144250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228594 (or 228584 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 57144250 is about 7559.3815884634. The cubic root of 57144250 is about 385.1744866027.

The spelling of 57144250 in words is "fifty-seven million, one hundred forty-four thousand, two hundred fifty".