54111100 has 72 divisors (see below), whose sum is σ = 124367040. Its totient is φ = 20401920.

The previous prime is 54111091. The next prime is 54111133. The reversal of 54111100 is 111145.

It is a super-2 number, since 2×54111100² = 5856022286420000, which contains 22 as substring.

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 136102 + ... + 136498.

It is an arithmetic number, because the mean of its divisors is an integer number (1727320).

Almost surely, 2^54111100 is an apocalyptic number.

54111100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54111100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62183520).

54111100 is an abundant number, since it is smaller than the sum of its proper divisors (70255940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54111100 is a wasteful number, since it uses less digits than its factorization.

54111100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 487 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 20, while the sum is 13.

The square root of 54111100 is about 7356.0247416658. The cubic root of 54111100 is about 378.2353544897.

Adding to 54111100 its reverse (111145), we get a palindrome (54222245).

The spelling of 54111100 in words is "fifty-four million, one hundred eleven thousand, one hundred".