55695189 has 16 divisors (see below), whose sum is σ = 83625984. Its totient is φ = 32665200.

The previous prime is 55695181. The next prime is 55695193. The reversal of 55695189 is 98159655.

It is a happy number.

It is not a de Polignac number, because 55695189 - 2³ = 55695181 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55695181) 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, 26199 + ... + 28244.

It is an arithmetic number, because the mean of its divisors is an integer number (5226624).

Almost surely, 2^55695189 is an apocalyptic number.

It is an amenable number.

55695189 is a deficient number, since it is larger than the sum of its proper divisors (27930795).

55695189 is a wasteful number, since it uses less digits than its factorization.

55695189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54488.

The product of its digits is 486000, while the sum is 48.

The square root of 55695189 is about 7462.9209429016. The cubic root of 55695189 is about 381.8908275142.

It can be divided in two parts, 556951 and 89, that added together give a triangular number (557040 = T₁₀₅₅).

The spelling of 55695189 in words is "fifty-five million, six hundred ninety-five thousand, one hundred eighty-nine".