54011903 has 4 divisors (see below), whose sum is σ = 58922088. Its totient is φ = 49101720.

The previous prime is 54011899. The next prime is 54011917. The reversal of 54011903 is 30911045.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 54011903 - 2² = 54011899 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54011933) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2455076 + ... + 2455097.

It is an arithmetic number, because the mean of its divisors is an integer number (14730522).

Almost surely, 2^54011903 is an apocalyptic number.

54011903 is a deficient number, since it is larger than the sum of its proper divisors (4910185).

54011903 is a wasteful number, since it uses less digits than its factorization.

54011903 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4910184.

The product of its (nonzero) digits is 540, while the sum is 23.

The square root of 54011903 is about 7349.2790802908. The cubic root of 54011903 is about 378.0040848546.

Adding to 54011903 its reverse (30911045), we get a palindrome (84922948).

The spelling of 54011903 in words is "fifty-four million, eleven thousand, nine hundred three".