56226687642 has 48 divisors (see below), whose sum is σ = 126050095080. Its totient is φ = 18092390400.

The previous prime is 56226687619. The next prime is 56226687653. The reversal of 56226687642 is 24678662265.

It is a happy number.

56226687642 is a `hidden beast` number, since 5 + 622 + 6 + 6 + 8 + 7 + 6 + 4 + 2 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 28706863761 + 27519823881 = 169431^2 + 165891^2 .

It is a super-2 number, since 2×56226687642² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4441642 + ... + 4454282.

Almost surely, 2^56226687642 is an apocalyptic number.

56226687642 is an abundant number, since it is smaller than the sum of its proper divisors (69823407438).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56226687642 is a wasteful number, since it uses less digits than its factorization.

56226687642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21199 (or 21196 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 56226687642 in words is "fifty-six billion, two hundred twenty-six million, six hundred eighty-seven thousand, six hundred forty-two".