54051111 has 16 divisors (see below), whose sum is σ = 81273600. Its totient is φ = 35495064.

The previous prime is 54051071. The next prime is 54051131. The reversal of 54051111 is 11115045.

It is a happy number.

It is not a de Polignac number, because 54051111 - 2¹⁵ = 54018343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54051131) 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, 13131 + ... + 16748.

It is an arithmetic number, because the mean of its divisors is an integer number (5079600).

Almost surely, 2^54051111 is an apocalyptic number.

54051111 is a deficient number, since it is larger than the sum of its proper divisors (27222489).

54051111 is a wasteful number, since it uses less digits than its factorization.

54051111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29955 (or 29949 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 18.

The square root of 54051111 is about 7351.9460688990. The cubic root of 54051111 is about 378.0955288917.

Adding to 54051111 its reverse (11115045), we get a palindrome (65166156).

The spelling of 54051111 in words is "fifty-four million, fifty-one thousand, one hundred eleven".