189295550 has 12 divisors (see below), whose sum is σ = 352089816. Its totient is φ = 75718200.

The previous prime is 189295549. The next prime is 189295553. The reversal of 189295550 is 55592981.

189295550 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189295553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1892906 + ... + 1893005.

It is an arithmetic number, because the mean of its divisors is an integer number (29340818).

Almost surely, 2^189295550 is an apocalyptic number.

189295550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

189295550 is a deficient number, since it is larger than the sum of its proper divisors (162794266).

189295550 is a wasteful number, since it uses less digits than its factorization.

189295550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3785923 (or 3785918 counting only the distinct ones).

The product of its (nonzero) digits is 162000, while the sum is 44.

The square root of 189295550 is about 13758.4719355021. The cubic root of 189295550 is about 574.1783349207.

The spelling of 189295550 in words is "one hundred eighty-nine million, two hundred ninety-five thousand, five hundred fifty".