57947369 has 4 divisors (see below), whose sum is σ = 58680960. Its totient is φ = 57213780.

The previous prime is 57947317. The next prime is 57947371. The reversal of 57947369 is 96374975.

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 57947369 - 2¹² = 57943273 is a prime.

It is a super-2 number, since 2×57947369² = 6715795148044322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57947389) 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, 366677 + ... + 366834.

It is an arithmetic number, because the mean of its divisors is an integer number (14670240).

Almost surely, 2^57947369 is an apocalyptic number.

It is an amenable number.

57947369 is a deficient number, since it is larger than the sum of its proper divisors (733591).

57947369 is an equidigital number, since it uses as much as digits as its factorization.

57947369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 733590.

The product of its digits is 1428840, while the sum is 50.

The square root of 57947369 is about 7612.3169271911. The cubic root of 57947369 is about 386.9705435095.

The spelling of 57947369 in words is "fifty-seven million, nine hundred forty-seven thousand, three hundred sixty-nine".