55598187 has 16 divisors (see below), whose sum is σ = 75776000. Its totient is φ = 36251712.

The previous prime is 55598171. The next prime is 55598189. The reversal of 55598187 is 78189555.

55598187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55598187 - 2⁴ = 55598171 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55598189) 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 15 ways as a sum of consecutive naturals, for example, 26814 + ... + 28812.

It is an arithmetic number, because the mean of its divisors is an integer number (4736000).

Almost surely, 2^55598187 is an apocalyptic number.

55598187 is a deficient number, since it is larger than the sum of its proper divisors (20177813).

55598187 is a wasteful number, since it uses less digits than its factorization.

55598187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2202.

The product of its digits is 504000, while the sum is 48.

The square root of 55598187 is about 7456.4191808133. The cubic root of 55598187 is about 381.6689908730.

The spelling of 55598187 in words is "fifty-five million, five hundred ninety-eight thousand, one hundred eighty-seven".