56059281 has 6 divisors (see below), whose sum is σ = 80974530. Its totient is φ = 37372848.

The previous prime is 56059271. The next prime is 56059309. The reversal of 56059281 is 18295065.

It is a happy number.

56059281 is a `hidden beast` number, since 5 + 60 + 592 + 8 + 1 = 666.

It can be written as a sum of positive squares in only one way, i.e., 54154881 + 1904400 = 7359^2 + 1380^2 .

It is not a de Polignac number, because 56059281 - 2⁵ = 56059249 is a prime.

It is a super-2 number, since 2×56059281² = 6285285972473922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56059271) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3114396 + ... + 3114413.

It is an arithmetic number, because the mean of its divisors is an integer number (13495755).

Almost surely, 2^56059281 is an apocalyptic number.

It is an amenable number.

56059281 is a deficient number, since it is larger than the sum of its proper divisors (24915249).

56059281 is a wasteful number, since it uses less digits than its factorization.

56059281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6228815 (or 6228812 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 36.

The square root of 56059281 is about 7487.2746042869. The cubic root of 56059281 is about 382.7211895094.

The spelling of 56059281 in words is "fifty-six million, fifty-nine thousand, two hundred eighty-one".