56181269 has 8 divisors (see below), whose sum is σ = 58080000. Its totient is φ = 54288000.

The previous prime is 56181259. The next prime is 56181299. The reversal of 56181269 is 96218165.

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 56181269 - 2⁴ = 56181253 is a prime.

It is a super-2 number, since 2×56181269² = 6312669972900722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56181239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37994 + ... + 39444.

It is an arithmetic number, because the mean of its divisors is an integer number (7260000).

Almost surely, 2^56181269 is an apocalyptic number.

It is an amenable number.

56181269 is a deficient number, since it is larger than the sum of its proper divisors (1898731).

56181269 is a wasteful number, since it uses less digits than its factorization.

56181269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2731.

The product of its digits is 25920, while the sum is 38.

The square root of 56181269 is about 7495.4165327886. The cubic root of 56181269 is about 382.9985956632.

The spelling of 56181269 in words is "fifty-six million, one hundred eighty-one thousand, two hundred sixty-nine".