54021199 has 4 divisors (see below), whose sum is σ = 56864440. Its totient is φ = 51177960.

The previous prime is 54021169. The next prime is 54021203. The reversal of 54021199 is 99112045.

54021199 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 99112045 = 5 ⋅19822409.

It is a cyclic number.

It is not a de Polignac number, because 54021199 - 2¹¹ = 54019151 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54021199.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54021169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1421592 + ... + 1421629.

It is an arithmetic number, because the mean of its divisors is an integer number (14216110).

Almost surely, 2^54021199 is an apocalyptic number.

54021199 is a deficient number, since it is larger than the sum of its proper divisors (2843241).

54021199 is a wasteful number, since it uses less digits than its factorization.

54021199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2843240.

The product of its (nonzero) digits is 3240, while the sum is 31.

The square root of 54021199 is about 7349.9114960658. The cubic root of 54021199 is about 378.0257697314.

It can be divided in two parts, 5 and 4021199, that added together give a palindrome (4021204).

The spelling of 54021199 in words is "fifty-four million, twenty-one thousand, one hundred ninety-nine".