57302993 has 8 divisors (see below), whose sum is σ = 65802720. Its totient is φ = 49351680.

The previous prime is 57302981. The next prime is 57303007. The reversal of 57302993 is 39920375.

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 57302993 - 2⁴ = 57302977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57302293) 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, 136880 + ... + 137297.

It is an arithmetic number, because the mean of its divisors is an integer number (8225340).

Almost surely, 2^57302993 is an apocalyptic number.

It is an amenable number.

57302993 is a deficient number, since it is larger than the sum of its proper divisors (8499727).

57302993 is a wasteful number, since it uses less digits than its factorization.

57302993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 274207.

The product of its (nonzero) digits is 51030, while the sum is 38.

The square root of 57302993 is about 7569.8740412242. The cubic root of 57302993 is about 385.5308200510.

The spelling of 57302993 in words is "fifty-seven million, three hundred two thousand, nine hundred ninety-three".