54532111 has 4 divisors (see below), whose sum is σ = 54549000. Its totient is φ = 54515224.

The previous prime is 54532099. The next prime is 54532129. The reversal of 54532111 is 11123545.

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: 11123545 = 5 ⋅2224709.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54532111 is a prime.

It is a super-2 number, since 2×54532111² = 5947502260232642, 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 (54532211) 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, 1921 + ... + 10618.

It is an arithmetic number, because the mean of its divisors is an integer number (13637250).

Almost surely, 2^54532111 is an apocalyptic number.

54532111 is a deficient number, since it is larger than the sum of its proper divisors (16889).

54532111 is a wasteful number, since it uses less digits than its factorization.

54532111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16888.

The product of its digits is 600, while the sum is 22.

The square root of 54532111 is about 7384.5860412077. The cubic root of 54532111 is about 379.2137737605.

Adding to 54532111 its reverse (11123545), we get a palindrome (65655656).

The spelling of 54532111 in words is "fifty-four million, five hundred thirty-two thousand, one hundred eleven".