56087969 has 8 divisors (see below), whose sum is σ = 64175808. Its totient is φ = 48018960.

The previous prime is 56087963. The next prime is 56087971. The reversal of 56087969 is 96978065.

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 56087969 - 2¹² = 56083873 is a prime.

It is a super-2 number, since 2×56087969² = 6291720533089922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56087963) 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, 2399 + ... + 10859.

It is an arithmetic number, because the mean of its divisors is an integer number (8021976).

Almost surely, 2^56087969 is an apocalyptic number.

It is an amenable number.

56087969 is a deficient number, since it is larger than the sum of its proper divisors (8087839).

56087969 is an equidigital number, since it uses as much as digits as its factorization.

56087969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9415.

The product of its (nonzero) digits is 816480, while the sum is 50.

The square root of 56087969 is about 7489.1901431330. The cubic root of 56087969 is about 382.7864634653.

The spelling of 56087969 in words is "fifty-six million, eighty-seven thousand, nine hundred sixty-nine".