57143416 has 32 divisors (see below), whose sum is σ = 120660480. Its totient is φ = 25135200.

The previous prime is 57143407. The next prime is 57143419. The reversal of 57143416 is 61434175.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57143419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7746 + ... + 13201.

It is an arithmetic number, because the mean of its divisors is an integer number (3770640).

Almost surely, 2^57143416 is an apocalyptic number.

It is an amenable number.

57143416 is an abundant number, since it is smaller than the sum of its proper divisors (63517064).

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

57143416 is a wasteful number, since it uses less digits than its factorization.

57143416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20995 (or 20991 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 57143416 is about 7559.3264250196. The cubic root of 57143416 is about 385.1726127654.

The spelling of 57143416 in words is "fifty-seven million, one hundred forty-three thousand, four hundred sixteen".