57366143 has 4 divisors (see below), whose sum is σ = 60740640. Its totient is φ = 53991648.

The previous prime is 57366139. The next prime is 57366157. The reversal of 57366143 is 34166375.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 57366143 - 2² = 57366139 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57366173) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687223 + ... + 1687256.

It is an arithmetic number, because the mean of its divisors is an integer number (15185160).

Almost surely, 2^57366143 is an apocalyptic number.

57366143 is a deficient number, since it is larger than the sum of its proper divisors (3374497).

57366143 is a wasteful number, since it uses less digits than its factorization.

57366143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3374496.

The product of its digits is 45360, while the sum is 35.

The square root of 57366143 is about 7574.0440320875. The cubic root of 57366143 is about 385.6723910928.

The spelling of 57366143 in words is "fifty-seven million, three hundred sixty-six thousand, one hundred forty-three".