56442269 has 8 divisors (see below), whose sum is σ = 60842712. Its totient is φ = 52050240.

The previous prime is 56442259. The next prime is 56442283. The reversal of 56442269 is 96224465.

It can be written as a sum of positive squares in 4 ways, for example, as 3705625 + 52736644 = 1925^2 + 7262^2 .

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 56442269 - 2⁸ = 56442013 is a prime.

It is a super-2 number, since 2×56442269² = 6371459459736722, 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 (56442209) 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, 23027 + ... + 25359.

It is an arithmetic number, because the mean of its divisors is an integer number (7605339).

Almost surely, 2^56442269 is an apocalyptic number.

It is an amenable number.

56442269 is a deficient number, since it is larger than the sum of its proper divisors (4400443).

56442269 is a wasteful number, since it uses less digits than its factorization.

56442269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4207.

The product of its digits is 103680, while the sum is 38.

The square root of 56442269 is about 7512.8069987189. The cubic root of 56442269 is about 383.5907754384.

The spelling of 56442269 in words is "fifty-six million, four hundred forty-two thousand, two hundred sixty-nine".