54105887 has 4 divisors (see below), whose sum is σ = 59024616. Its totient is φ = 49187160.

The previous prime is 54105871. The next prime is 54105893. The reversal of 54105887 is 78850145.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 54105887 - 2⁴ = 54105871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 54105887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54105817) 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, 2459348 + ... + 2459369.

It is an arithmetic number, because the mean of its divisors is an integer number (14756154).

Almost surely, 2^54105887 is an apocalyptic number.

54105887 is a deficient number, since it is larger than the sum of its proper divisors (4918729).

54105887 is a wasteful number, since it uses less digits than its factorization.

54105887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4918728.

The product of its (nonzero) digits is 44800, while the sum is 38.

The square root of 54105887 is about 7355.6703977272. The cubic root of 54105887 is about 378.2232078493.

It can be divided in two parts, 541058 and 87, that added together give a palindrome (541145).

The spelling of 54105887 in words is "fifty-four million, one hundred five thousand, eight hundred eighty-seven".