53899111 has 16 divisors (see below), whose sum is σ = 64051200. Its totient is φ = 44382240.

The previous prime is 53899091. The next prime is 53899123. The reversal of 53899111 is 11199835.

It is a happy number.

It is not a de Polignac number, because 53899111 - 2⁷ = 53898983 is a prime.

It is a super-2 number, since 2×53899111² = 5810228333180642, 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 (53899141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31500 + ... + 33166.

It is an arithmetic number, because the mean of its divisors is an integer number (4003200).

Almost surely, 2^53899111 is an apocalyptic number.

53899111 is a deficient number, since it is larger than the sum of its proper divisors (10152089).

53899111 is a wasteful number, since it uses less digits than its factorization.

53899111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1854.

The product of its digits is 9720, while the sum is 37.

The square root of 53899111 is about 7341.6013920670. The cubic root of 53899111 is about 377.7407753038.

The spelling of 53899111 in words is "fifty-three million, eight hundred ninety-nine thousand, one hundred eleven".