55898187187 has 16 divisors (see below), whose sum is σ = 56825809600. Its totient is φ = 54978435072.

The previous prime is 55898187139. The next prime is 55898187211. The reversal of 55898187187 is 78178189855.

It is a happy number.

55898187187 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55898187187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55898187127) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 28046263 + ... + 28048255.

It is an arithmetic number, because the mean of its divisors is an integer number (3551613100).

Almost surely, 2^55898187187 is an apocalyptic number.

55898187187 is a deficient number, since it is larger than the sum of its proper divisors (927622413).

55898187187 is a wasteful number, since it uses less digits than its factorization.

55898187187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3742.

The product of its digits is 45158400, while the sum is 67.

The spelling of 55898187187 in words is "fifty-five billion, eight hundred ninety-eight million, one hundred eighty-seven thousand, one hundred eighty-seven".