194897055 has 16 divisors (see below), whose sum is σ = 325393920. Its totient is φ = 99425568.

The previous prime is 194897051. The next prime is 194897057. The reversal of 194897055 is 550798491.

It is not a de Polignac number, because 194897055 - 2² = 194897051 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 194896995 and 194897013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (194897051) 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, 282115 + ... + 282804.

It is an arithmetic number, because the mean of its divisors is an integer number (20337120).

Almost surely, 2^194897055 is an apocalyptic number.

194897055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

194897055 is a deficient number, since it is larger than the sum of its proper divisors (130496865).

194897055 is a wasteful number, since it uses less digits than its factorization.

194897055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564950.

The product of its (nonzero) digits is 453600, while the sum is 48.

The square root of 194897055 is about 13960.5535348710. The cubic root of 194897055 is about 579.7869362072.

The spelling of 194897055 in words is "one hundred ninety-four million, eight hundred ninety-seven thousand, fifty-five".