191875054 has 8 divisors (see below), whose sum is σ = 328928688. Its totient is φ = 82232160.

The previous prime is 191875051. The next prime is 191875063. The reversal of 191875054 is 450578191.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 191874998 and 191875016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (191875051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6852667 + ... + 6852694.

It is an arithmetic number, because the mean of its divisors is an integer number (41116086).

Almost surely, 2^191875054 is an apocalyptic number.

191875054 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

191875054 is a deficient number, since it is larger than the sum of its proper divisors (137053634).

191875054 is a wasteful number, since it uses less digits than its factorization.

191875054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13705370.

The product of its (nonzero) digits is 50400, while the sum is 40.

The square root of 191875054 is about 13851.8971263867. The cubic root of 191875054 is about 576.7746597767.

The spelling of 191875054 in words is "one hundred ninety-one million, eight hundred seventy-five thousand, fifty-four".