56141681 has 8 divisors (see below), whose sum is σ = 57499200. Its totient is φ = 54795312.

The previous prime is 56141671. The next prime is 56141693. The reversal of 56141681 is 18614165.

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 56141681 - 2¹⁰ = 56140657 is a prime.

It is a super-2 number, since 2×56141681² = 6303776691011522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56141611) 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, 7886 + ... + 13208.

It is an arithmetic number, because the mean of its divisors is an integer number (7187400).

Almost surely, 2^56141681 is an apocalyptic number.

It is an amenable number.

56141681 is a deficient number, since it is larger than the sum of its proper divisors (1357519).

56141681 is a wasteful number, since it uses less digits than its factorization.

56141681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5575.

The product of its digits is 5760, while the sum is 32.

The square root of 56141681 is about 7492.7752535359. The cubic root of 56141681 is about 382.9086148363.

It can be divided in two parts, 56 and 141681, that multiplied together give a triangular number (7934136 = T₃₉₈₃).

The spelling of 56141681 in words is "fifty-six million, one hundred forty-one thousand, six hundred eighty-one".