56514190281 has 16 divisors (see below), whose sum is σ = 77855333760. Its totient is φ = 36444611840.

The previous prime is 56514190279. The next prime is 56514190289. The reversal of 56514190281 is 18209141565.

It is a cyclic number.

It is not a de Polignac number, because 56514190281 - 2¹ = 56514190279 is a prime.

It is a super-2 number, since 2×56514190281² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) 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 (56514190289) 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, 2491776 + ... + 2514353.

It is an arithmetic number, because the mean of its divisors is an integer number (4865958360).

Almost surely, 2^56514190281 is an apocalyptic number.

It is an amenable number.

56514190281 is a deficient number, since it is larger than the sum of its proper divisors (21341143479).

56514190281 is a wasteful number, since it uses less digits than its factorization.

56514190281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5006256.

The product of its (nonzero) digits is 86400, while the sum is 42.

The spelling of 56514190281 in words is "fifty-six billion, five hundred fourteen million, one hundred ninety thousand, two hundred eighty-one".