190055455 has 8 divisors (see below), whose sum is σ = 229808304. Its totient is φ = 150883200.

The previous prime is 190055449. The next prime is 190055471. The reversal of 190055455 is 554550091.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 190055455 - 2³ = 190055447 is a prime.

It is a super-2 number, since 2×190055455² = 72242151950514050, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 190055455.

It is a congruent number.

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, 144426 + ... + 145735.

It is an arithmetic number, because the mean of its divisors is an integer number (28726038).

Almost surely, 2^190055455 is an apocalyptic number.

190055455 is a deficient number, since it is larger than the sum of its proper divisors (39752849).

190055455 is a wasteful number, since it uses less digits than its factorization.

190055455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290297.

The product of its (nonzero) digits is 22500, while the sum is 34.

The square root of 190055455 is about 13786.0601696061. The cubic root of 190055455 is about 574.9456331710.

The spelling of 190055455 in words is "one hundred ninety million, fifty-five thousand, four hundred fifty-five".