57306643 has 8 divisors (see below), whose sum is σ = 62158320. Its totient is φ = 52619520.

The previous prime is 57306637. The next prime is 57306653. The reversal of 57306643 is 34660375.

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

It is a cyclic number.

It is not a de Polignac number, because 57306643 - 2⁵ = 57306611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57306599 and 57306608.

It is not an unprimeable number, because it can be changed into a prime (57306653) 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, 40413 + ... + 41806.

It is an arithmetic number, because the mean of its divisors is an integer number (7769790).

Almost surely, 2^57306643 is an apocalyptic number.

57306643 is a deficient number, since it is larger than the sum of its proper divisors (4851677).

57306643 is a wasteful number, since it uses less digits than its factorization.

57306643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82277.

The product of its (nonzero) digits is 45360, while the sum is 34.

The square root of 57306643 is about 7570.1151246200. The cubic root of 57306643 is about 385.5390055316.

The spelling of 57306643 in words is "fifty-seven million, three hundred six thousand, six hundred forty-three".