54188811 has 16 divisors (see below), whose sum is σ = 80994720. Its totient is φ = 35804160.

The previous prime is 54188773. The next prime is 54188891. The reversal of 54188811 is 11888145.

It is a happy number.

It is not a de Polignac number, because 54188811 - 2⁶ = 54188747 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

54188811 is a modest number, since divided by 188811 gives 54 as remainder.

It is not an unprimeable number, because it can be changed into a prime (54188891) 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, 5830 + ... + 11931.

It is an arithmetic number, because the mean of its divisors is an integer number (5062170).

Almost surely, 2^54188811 is an apocalyptic number.

54188811 is a deficient number, since it is larger than the sum of its proper divisors (26805909).

54188811 is a wasteful number, since it uses less digits than its factorization.

54188811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17883 (or 17877 counting only the distinct ones).

The product of its digits is 10240, while the sum is 36.

The square root of 54188811 is about 7361.3049794177. The cubic root of 54188811 is about 378.4163339193.

The spelling of 54188811 in words is "fifty-four million, one hundred eighty-eight thousand, eight hundred eleven".