56043887 has 2 divisors, whose sum is σ = 56043888. Its totient is φ = 56043886.

The previous prime is 56043859. The next prime is 56043907. The reversal of 56043887 is 78834065.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56043887 - 2²⁴ = 39266671 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56043287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28021943 + 28021944.

It is an arithmetic number, because the mean of its divisors is an integer number (28021944).

Almost surely, 2^56043887 is an apocalyptic number.

56043887 is a deficient number, since it is larger than the sum of its proper divisors (1).

56043887 is an equidigital number, since it uses as much as digits as its factorization.

56043887 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 56043887 is about 7486.2465227910. The cubic root of 56043887 is about 382.6861542797.

The spelling of 56043887 in words is "fifty-six million, forty-three thousand, eight hundred eighty-seven".