55536587 has 2 divisors, whose sum is σ = 55536588. Its totient is φ = 55536586.

The previous prime is 55536583. The next prime is 55536599. The reversal of 55536587 is 78563555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55536587 - 2² = 55536583 is a prime.

It is not a weakly prime, because it can be changed into another prime (55536583) 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 as a sum of consecutive naturals, namely, 27768293 + 27768294.

It is an arithmetic number, because the mean of its divisors is an integer number (27768294).

Almost surely, 2^55536587 is an apocalyptic number.

55536587 is a deficient number, since it is larger than the sum of its proper divisors (1).

55536587 is an equidigital number, since it uses as much as digits as its factorization.

55536587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 630000, while the sum is 44.

The square root of 55536587 is about 7452.2873669767. The cubic root of 55536587 is about 381.5279820896.

The spelling of 55536587 in words is "fifty-five million, five hundred thirty-six thousand, five hundred eighty-seven".