56534587 has 2 divisors, whose sum is σ = 56534588. Its totient is φ = 56534586.

The previous prime is 56534581. The next prime is 56534591. The reversal of 56534587 is 78543565.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56534587 - 2⁷ = 56534459 is a prime.

It is not a weakly prime, because it can be changed into another prime (56534581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28267293 + 28267294.

It is an arithmetic number, because the mean of its divisors is an integer number (28267294).

Almost surely, 2^56534587 is an apocalyptic number.

56534587 is a deficient number, since it is larger than the sum of its proper divisors (1).

56534587 is an equidigital number, since it uses as much as digits as its factorization.

56534587 is an evil number, because the sum of its binary digits is even.

The product of its digits is 504000, while the sum is 43.

The square root of 56534587 is about 7518.9485302135. The cubic root of 56534587 is about 383.7997975321.

It can be divided in two parts, 56534 and 587, that added together give a square (57121 = 239²).

The spelling of 56534587 in words is "fifty-six million, five hundred thirty-four thousand, five hundred eighty-seven".