54194199 has 4 divisors (see below), whose sum is σ = 72258936. Its totient is φ = 36129464.

The previous prime is 54194197. The next prime is 54194201. The reversal of 54194199 is 99149145.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (54194197) and next prime (54194201).

It is a cyclic number.

It is not a de Polignac number, because 54194199 - 2¹ = 54194197 is a prime.

It is a super-2 number, since 2×54194199² = 5874022410503202, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 54194199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54194197) 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, 9032364 + ... + 9032369.

It is an arithmetic number, because the mean of its divisors is an integer number (18064734).

Almost surely, 2^54194199 is an apocalyptic number.

54194199 is a deficient number, since it is larger than the sum of its proper divisors (18064737).

54194199 is a wasteful number, since it uses less digits than its factorization.

54194199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18064736.

The product of its digits is 58320, while the sum is 42.

The square root of 54194199 is about 7361.6709380412. The cubic root of 54194199 is about 378.4288754975.

The spelling of 54194199 in words is "fifty-four million, one hundred ninety-four thousand, one hundred ninety-nine".