54091503 has 16 divisors (see below), whose sum is σ = 80258400. Its totient is φ = 36005760.

The previous prime is 54091493. The next prime is 54091507. The reversal of 54091503 is 30519045.

It is not a de Polignac number, because 54091503 - 2⁴ = 54091487 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54091507) 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, 24343 + ... + 26471.

It is an arithmetic number, because the mean of its divisors is an integer number (5016150).

Almost surely, 2^54091503 is an apocalyptic number.

54091503 is a deficient number, since it is larger than the sum of its proper divisors (26166897).

54091503 is a wasteful number, since it uses less digits than its factorization.

54091503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3079 (or 3073 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 54091503 is about 7354.6925836503. The cubic root of 54091503 is about 378.1896881154.

The spelling of 54091503 in words is "fifty-four million, ninety-one thousand, five hundred three".