57307054405 has 4 divisors (see below), whose sum is σ = 68768465292. Its totient is φ = 45845643520.

The previous prime is 57307054397. The next prime is 57307054477. The reversal of 57307054405 is 50445070375.

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 13992287521 + 43314766884 = 118289^2 + 208122^2 .

It is not a de Polignac number, because 57307054405 - 2³ = 57307054397 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5730705436 + ... + 5730705445.

It is an arithmetic number, because the mean of its divisors is an integer number (17192116323).

Almost surely, 2^57307054405 is an apocalyptic number.

It is an amenable number.

57307054405 is a deficient number, since it is larger than the sum of its proper divisors (11461410887).

57307054405 is a wasteful number, since it uses less digits than its factorization.

57307054405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11461410886.

The product of its (nonzero) digits is 294000, while the sum is 40.

The spelling of 57307054405 in words is "fifty-seven billion, three hundred seven million, fifty-four thousand, four hundred five".