57971293 has 4 divisors (see below), whose sum is σ = 60491808. Its totient is φ = 55450780.

The previous prime is 57971239. The next prime is 57971317. The reversal of 57971293 is 39217975.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 57971293 - 2²¹ = 55874141 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 (57971213) 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, 1260223 + ... + 1260268.

It is an arithmetic number, because the mean of its divisors is an integer number (15122952).

Almost surely, 2^57971293 is an apocalyptic number.

It is an amenable number.

57971293 is a deficient number, since it is larger than the sum of its proper divisors (2520515).

57971293 is a wasteful number, since it uses less digits than its factorization.

57971293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2520514.

The product of its digits is 119070, while the sum is 43.

The square root of 57971293 is about 7613.8881657140. Note that the first 3 decimals coincide. The cubic root of 57971293 is about 387.0237907330.

The spelling of 57971293 in words is "fifty-seven million, nine hundred seventy-one thousand, two hundred ninety-three".