189550049 has 16 divisors (see below), whose sum is σ = 208656000. Its totient is φ = 171131520.

The previous prime is 189549989. The next prime is 189550069. The reversal of 189550049 is 940055981.

It is a happy number.

189550049 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 not a de Polignac number, because 189550049 - 2¹⁶ = 189484513 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 189549988 and 189550015.

It is not an unprimeable number, because it can be changed into a prime (189550069) 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, 125702 + ... + 127200.

It is an arithmetic number, because the mean of its divisors is an integer number (13041000).

Almost surely, 2^189550049 is an apocalyptic number.

It is an amenable number.

189550049 is a deficient number, since it is larger than the sum of its proper divisors (19105951).

189550049 is a wasteful number, since it uses less digits than its factorization.

189550049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1720.

The product of its (nonzero) digits is 64800, while the sum is 41.

The square root of 189550049 is about 13767.7176394637. The cubic root of 189550049 is about 574.4355383143.

The spelling of 189550049 in words is "one hundred eighty-nine million, five hundred fifty thousand, forty-nine".