56407193 has 4 divisors (see below), whose sum is σ = 56442660. Its totient is φ = 56371728.

The previous prime is 56407171. The next prime is 56407199. The reversal of 56407193 is 39170465.

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 26245129 + 30162064 = 5123^2 + 5492^2 .

It is a cyclic number.

It is not a de Polignac number, because 56407193 - 2⁸ = 56406937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56407199) 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, 15230 + ... + 18567.

It is an arithmetic number, because the mean of its divisors is an integer number (14110665).

Almost surely, 2^56407193 is an apocalyptic number.

It is an amenable number.

56407193 is a deficient number, since it is larger than the sum of its proper divisors (35467).

56407193 is a wasteful number, since it uses less digits than its factorization.

56407193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35466.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 56407193 is about 7510.4722221709. The cubic root of 56407193 is about 383.5112982522.

The spelling of 56407193 in words is "fifty-six million, four hundred seven thousand, one hundred ninety-three".