54197199 has 24 divisors (see below), whose sum is σ = 89836032. Its totient is φ = 30842640.

The previous prime is 54197197. The next prime is 54197279. The reversal of 54197199 is 99179145.

54197199 is a `hidden beast` number, since 541 + 97 + 19 + 9 = 666.

It is not a de Polignac number, because 54197199 - 2¹ = 54197197 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54197197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14934 + ... + 18204.

It is an arithmetic number, because the mean of its divisors is an integer number (3743168).

Almost surely, 2^54197199 is an apocalyptic number.

54197199 is a deficient number, since it is larger than the sum of its proper divisors (35638833).

54197199 is a wasteful number, since it uses less digits than its factorization.

54197199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3547 (or 3544 counting only the distinct ones).

The product of its digits is 102060, while the sum is 45.

The square root of 54197199 is about 7361.8746933101. The cubic root of 54197199 is about 378.4358581986.

The spelling of 54197199 in words is "fifty-four million, one hundred ninety-seven thousand, one hundred ninety-nine".