54211899 has 16 divisors (see below), whose sum is σ = 82736640. Its totient is φ = 30930240.

The previous prime is 54211891. The next prime is 54211909. The reversal of 54211899 is 99811245.

It is not a de Polignac number, because 54211899 - 2³ = 54211891 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54211891) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15394 + ... + 18584.

It is an arithmetic number, because the mean of its divisors is an integer number (5171040).

Almost surely, 2^54211899 is an apocalyptic number.

54211899 is a deficient number, since it is larger than the sum of its proper divisors (28524741).

54211899 is a wasteful number, since it uses less digits than its factorization.

54211899 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4010.

The product of its digits is 25920, while the sum is 39.

The square root of 54211899 is about 7362.8730126222. The cubic root of 54211899 is about 378.4700697097.

The spelling of 54211899 in words is "fifty-four million, two hundred eleven thousand, eight hundred ninety-nine".