57407093 has 4 divisors (see below), whose sum is σ = 58807308. Its totient is φ = 56006880.

The previous prime is 57407089. The next prime is 57407099. The reversal of 57407093 is 39070475.

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

It can be written as a sum of positive squares in 2 ways, for example, as 14922769 + 42484324 = 3863^2 + 6518^2 .

It is a cyclic number.

It is not a de Polignac number, because 57407093 - 2² = 57407089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57407099) 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, 700046 + ... + 700127.

It is an arithmetic number, because the mean of its divisors is an integer number (14701827).

Almost surely, 2^57407093 is an apocalyptic number.

It is an amenable number.

57407093 is a deficient number, since it is larger than the sum of its proper divisors (1400215).

57407093 is a wasteful number, since it uses less digits than its factorization.

57407093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1400214.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 57407093 is about 7576.7468612855. The cubic root of 57407093 is about 385.7641381707.

The spelling of 57407093 in words is "fifty-seven million, four hundred seven thousand, ninety-three".