56532887 has 2 divisors, whose sum is σ = 56532888. Its totient is φ = 56532886.

The previous prime is 56532859. The next prime is 56532901. The reversal of 56532887 is 78823565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56532887 - 2⁸ = 56532631 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56532187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28266443 + 28266444.

It is an arithmetic number, because the mean of its divisors is an integer number (28266444).

Almost surely, 2^56532887 is an apocalyptic number.

56532887 is a deficient number, since it is larger than the sum of its proper divisors (1).

56532887 is an equidigital number, since it uses as much as digits as its factorization.

56532887 is an evil number, because the sum of its binary digits is even.

The product of its digits is 403200, while the sum is 44.

The square root of 56532887 is about 7518.8354816421. The cubic root of 56532887 is about 383.7959505290.

The spelling of 56532887 in words is "fifty-six million, five hundred thirty-two thousand, eight hundred eighty-seven".