57143750 has 48 divisors (see below), whose sum is σ = 110242944. Its totient is φ = 22200000.

The previous prime is 57143747. The next prime is 57143759. The reversal of 57143750 is 5734175.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57143759) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256139 + ... + 256361.

It is an arithmetic number, because the mean of its divisors is an integer number (2296728).

Almost surely, 2^57143750 is an apocalyptic number.

57143750 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

57143750 is a deficient number, since it is larger than the sum of its proper divisors (53099194).

57143750 is an equidigital number, since it uses as much as digits as its factorization.

57143750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291 (or 271 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 32.

The square root of 57143750 is about 7559.3485169028. The cubic root of 57143750 is about 385.1733632012.

The spelling of 57143750 in words is "fifty-seven million, one hundred forty-three thousand, seven hundred fifty".