54459199 has 4 divisors (see below), whose sum is σ = 55725736. Its totient is φ = 53192664.

The previous prime is 54459191. The next prime is 54459233. The reversal of 54459199 is 99195445.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99195445 = 5 ⋅19839089.

It is a cyclic number.

It is not a de Polignac number, because 54459199 - 2³ = 54459191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54459191) 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, 633204 + ... + 633289.

It is an arithmetic number, because the mean of its divisors is an integer number (13931434).

Almost surely, 2^54459199 is an apocalyptic number.

54459199 is a deficient number, since it is larger than the sum of its proper divisors (1266537).

54459199 is a wasteful number, since it uses less digits than its factorization.

54459199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1266536.

The product of its digits is 291600, while the sum is 46.

The square root of 54459199 is about 7379.6476203136. The cubic root of 54459199 is about 379.0446894901.

The spelling of 54459199 in words is "fifty-four million, four hundred fifty-nine thousand, one hundred ninety-nine".