57405373 has 4 divisors (see below), whose sum is σ = 58097088. Its totient is φ = 56713660.

The previous prime is 57405367. The next prime is 57405391. The reversal of 57405373 is 37350475.

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 57405373 - 2²⁵ = 23850941 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 (57405353) 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, 345733 + ... + 345898.

It is an arithmetic number, because the mean of its divisors is an integer number (14524272).

Almost surely, 2^57405373 is an apocalyptic number.

It is an amenable number.

57405373 is a deficient number, since it is larger than the sum of its proper divisors (691715).

57405373 is an equidigital number, since it uses as much as digits as its factorization.

57405373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 691714.

The product of its (nonzero) digits is 44100, while the sum is 34.

The square root of 57405373 is about 7576.6333552575. The cubic root of 57405373 is about 385.7602854474.

The spelling of 57405373 in words is "fifty-seven million, four hundred five thousand, three hundred seventy-three".