55335587 has 4 divisors (see below), whose sum is σ = 55503096. Its totient is φ = 55168080.

The previous prime is 55335557. The next prime is 55335613. The reversal of 55335587 is 78553355.

55335587 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55335587 - 2¹⁶ = 55270051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55335547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 83258 + ... + 83919.

It is an arithmetic number, because the mean of its divisors is an integer number (13875774).

Almost surely, 2^55335587 is an apocalyptic number.

55335587 is a deficient number, since it is larger than the sum of its proper divisors (167509).

55335587 is a wasteful number, since it uses less digits than its factorization.

55335587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167508.

The product of its digits is 315000, while the sum is 41.

The square root of 55335587 is about 7438.7893504252. The cubic root of 55335587 is about 381.0671457816.

The spelling of 55335587 in words is "fifty-five million, three hundred thirty-five thousand, five hundred eighty-seven".