56335281 has 8 divisors (see below), whose sum is σ = 76712064. Its totient is φ = 36757680.

The previous prime is 56335267. The next prime is 56335291. The reversal of 56335281 is 18253365.

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

It is not a de Polignac number, because 56335281 - 2⁵ = 56335249 is a prime.

It is a super-2 number, since 2×56335281² = 6347327770697922, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (56335241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 199630 + ... + 199911.

It is an arithmetic number, because the mean of its divisors is an integer number (9589008).

Almost surely, 2^56335281 is an apocalyptic number.

It is an amenable number.

56335281 is a deficient number, since it is larger than the sum of its proper divisors (20376783).

56335281 is a wasteful number, since it uses less digits than its factorization.

56335281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399591.

The product of its digits is 21600, while the sum is 33.

The square root of 56335281 is about 7505.6832467138. The cubic root of 56335281 is about 383.3482528955.

It can be divided in two parts, 56335 and 281, that added together give a triangular number (56616 = T₃₃₆).

The spelling of 56335281 in words is "fifty-six million, three hundred thirty-five thousand, two hundred eighty-one".