54969199 has 4 divisors (see below), whose sum is σ = 55014120. Its totient is φ = 54924280.

The previous prime is 54969163. The next prime is 54969203. The reversal of 54969199 is 99196945.

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

It is a cyclic number.

It is not a de Polignac number, because 54969199 - 2¹⁹ = 54444911 is a prime.

It is a super-2 number, since 2×54969199² = 6043225677403202, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54969119) 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, 20572 + ... + 23089.

It is an arithmetic number, because the mean of its divisors is an integer number (13753530).

Almost surely, 2^54969199 is an apocalyptic number.

54969199 is a deficient number, since it is larger than the sum of its proper divisors (44921).

54969199 is a wasteful number, since it uses less digits than its factorization.

54969199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44920.

The product of its digits is 787320, while the sum is 52.

The square root of 54969199 is about 7414.1215932840. The cubic root of 54969199 is about 380.2242420692.

The spelling of 54969199 in words is "fifty-four million, nine hundred sixty-nine thousand, one hundred ninety-nine".