56290378339 has 4 divisors (see below), whose sum is σ = 60620407456. Its totient is φ = 51960349224.

The previous prime is 56290378327. The next prime is 56290378357. The reversal of 56290378339 is 93387309265.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56290378339 - 2⁹ = 56290377827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 56290378339.

It is not an unprimeable number, because it can be changed into a prime (56290978339) 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, 2165014539 + ... + 2165014564.

It is an arithmetic number, because the mean of its divisors is an integer number (15155101864).

Almost surely, 2^56290378339 is an apocalyptic number.

56290378339 is a deficient number, since it is larger than the sum of its proper divisors (4330029117).

56290378339 is a wasteful number, since it uses less digits than its factorization.

56290378339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4330029116.

The product of its (nonzero) digits is 7348320, while the sum is 55.

The spelling of 56290378339 in words is "fifty-six billion, two hundred ninety million, three hundred seventy-eight thousand, three hundred thirty-nine".