57140943 has 8 divisors (see below), whose sum is σ = 77625648. Its totient is φ = 37375104.

The previous prime is 57140939. The next prime is 57140977. The reversal of 57140943 is 34904175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57140943 - 2² = 57140939 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57141943) 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, 179530 + ... + 179847.

It is an arithmetic number, because the mean of its divisors is an integer number (9703206).

Almost surely, 2^57140943 is an apocalyptic number.

57140943 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

57140943 is a deficient number, since it is larger than the sum of its proper divisors (20484705).

57140943 is a wasteful number, since it uses less digits than its factorization.

57140943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359433.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 57140943 is about 7559.1628504749. The cubic root of 57140943 is about 385.1670563036.

It can be divided in two parts, 571 and 40943, that added together give a palindrome (41514).

The spelling of 57140943 in words is "fifty-seven million, one hundred forty thousand, nine hundred forty-three".