56745373 has 4 divisors (see below), whose sum is σ = 58702140. Its totient is φ = 54788608.

The previous prime is 56745349. The next prime is 56745379. The reversal of 56745373 is 37354765.

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 46267204 + 10478169 = 6802^2 + 3237^2 .

It is a cyclic number.

It is not a de Polignac number, because 56745373 - 2¹³ = 56737181 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 (56745379) 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, 978340 + ... + 978397.

It is an arithmetic number, because the mean of its divisors is an integer number (14675535).

Almost surely, 2^56745373 is an apocalyptic number.

It is an amenable number.

56745373 is a deficient number, since it is larger than the sum of its proper divisors (1956767).

56745373 is a wasteful number, since it uses less digits than its factorization.

56745373 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1956766.

The product of its digits is 264600, while the sum is 40.

The square root of 56745373 is about 7532.9524756234. The cubic root of 56745373 is about 384.2761978676.

The spelling of 56745373 in words is "fifty-six million, seven hundred forty-five thousand, three hundred seventy-three".