56040947293 has 8 divisors (see below), whose sum is σ = 57468846456. Its totient is φ = 54615955200.

The previous prime is 56040947273. The next prime is 56040947299. The reversal of 56040947293 is 39274904065.

It can be written as a sum of positive squares in 4 ways, for example, as 8288645764 + 47752301529 = 91042^2 + 218523^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56040947293 - 2²¹ = 56038850141 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 (56040947299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 687696 + ... + 764857.

It is an arithmetic number, because the mean of its divisors is an integer number (7183605807).

Almost surely, 2^56040947293 is an apocalyptic number.

It is an amenable number.

56040947293 is a deficient number, since it is larger than the sum of its proper divisors (1427899163).

56040947293 is a wasteful number, since it uses less digits than its factorization.

56040947293 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1453535.

The product of its (nonzero) digits is 1632960, while the sum is 49.

The spelling of 56040947293 in words is "fifty-six billion, forty million, nine hundred forty-seven thousand, two hundred ninety-three".