55189706 has 16 divisors (see below), whose sum is σ = 97257888. Its totient is φ = 23156400.

The previous prime is 55189691. The next prime is 55189711. The reversal of 55189706 is 60798155.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96200 + ... + 96771.

It is an arithmetic number, because the mean of its divisors is an integer number (6078618).

Almost surely, 2^55189706 is an apocalyptic number.

55189706 is a deficient number, since it is larger than the sum of its proper divisors (42068182).

55189706 is a wasteful number, since it uses less digits than its factorization.

55189706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192997.

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 55189706 is about 7428.9774531896. The cubic root of 55189706 is about 380.7319824509.

The spelling of 55189706 in words is "fifty-five million, one hundred eighty-nine thousand, seven hundred six".