56212278788 has 12 divisors (see below), whose sum is σ = 98388929100. Its totient is φ = 28101156192.

The previous prime is 56212278769. The next prime is 56212278817. The reversal of 56212278788 is 88787221265.

It can be written as a sum of positive squares in 2 ways, for example, as 21479247364 + 34733031424 = 146558^2 + 186368^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1220363 + ... + 1265586.

It is an arithmetic number, because the mean of its divisors is an integer number (8199077425).

Almost surely, 2^56212278788 is an apocalyptic number.

It is an amenable number.

56212278788 is a deficient number, since it is larger than the sum of its proper divisors (42176650312).

56212278788 is a wasteful number, since it uses less digits than its factorization.

56212278788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2491606 (or 2491604 counting only the distinct ones).

The product of its digits is 6021120, while the sum is 56.

The spelling of 56212278788 in words is "fifty-six billion, two hundred twelve million, two hundred seventy-eight thousand, seven hundred eighty-eight".