56281613690 has 8 divisors (see below), whose sum is σ = 101306904660. Its totient is φ = 22512645472.

The previous prime is 56281613683. The next prime is 56281613741. The reversal of 56281613690 is 9631618265.

It is a happy number.

56281613690 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 52318785289 + 3962828401 = 228733^2 + 62951^2 .

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

It is a super-2 number, since 2×56281613690² (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 3 ways as a sum of consecutive naturals, for example, 2814080675 + ... + 2814080694.

Almost surely, 2^56281613690 is an apocalyptic number.

56281613690 is a deficient number, since it is larger than the sum of its proper divisors (45025290970).

56281613690 is a wasteful number, since it uses less digits than its factorization.

56281613690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5628161376.

The product of its (nonzero) digits is 466560, while the sum is 47.

The spelling of 56281613690 in words is "fifty-six billion, two hundred eighty-one million, six hundred thirteen thousand, six hundred ninety".