56225495291 has 16 divisors (see below), whose sum is σ = 65328318720. Its totient is φ = 47390741280.

The previous prime is 56225495269. The next prime is 56225495317. The reversal of 56225495291 is 19259452265.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 56225495291 - 2¹⁰ = 56225494267 is a prime.

It is a super-2 number, since 2×56225495291² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (56225495201) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1837580 + ... + 1867926.

It is an arithmetic number, because the mean of its divisors is an integer number (4083019920).

Almost surely, 2^56225495291 is an apocalyptic number.

56225495291 is a deficient number, since it is larger than the sum of its proper divisors (9102823429).

56225495291 is a wasteful number, since it uses less digits than its factorization.

56225495291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34754.

The product of its digits is 1944000, while the sum is 50.

The spelling of 56225495291 in words is "fifty-six billion, two hundred twenty-five million, four hundred ninety-five thousand, two hundred ninety-one".