56502485281 has 8 divisors (see below), whose sum is σ = 61642871424. Its totient is φ = 51362731920.

The previous prime is 56502485279. The next prime is 56502485483. The reversal of 56502485281 is 18258420565.

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

It is a cyclic number.

It is not a de Polignac number, because 56502485281 - 2¹ = 56502485279 is a prime.

It is a super-2 number, since 2×56502485281² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56502485201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39231 + ... + 338443.

It is an arithmetic number, because the mean of its divisors is an integer number (7705358928).

Almost surely, 2^56502485281 is an apocalyptic number.

It is an amenable number.

56502485281 is a deficient number, since it is larger than the sum of its proper divisors (5140386143).

56502485281 is a wasteful number, since it uses less digits than its factorization.

56502485281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 316391.

The product of its (nonzero) digits is 768000, while the sum is 46.

The spelling of 56502485281 in words is "fifty-six billion, five hundred two million, four hundred eighty-five thousand, two hundred eighty-one".