54221503 has 16 divisors (see below), whose sum is σ = 65479680. Its totient is φ = 43910496.

The previous prime is 54221471. The next prime is 54221509. The reversal of 54221503 is 30512245.

It is not a de Polignac number, because 54221503 - 2⁵ = 54221471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54221509) 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, 6700 + ... + 12382.

It is an arithmetic number, because the mean of its divisors is an integer number (4092480).

Almost surely, 2^54221503 is an apocalyptic number.

54221503 is a deficient number, since it is larger than the sum of its proper divisors (11258177).

54221503 is a wasteful number, since it uses less digits than its factorization.

54221503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5766.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 54221503 is about 7363.5251748059. The cubic root of 54221503 is about 378.4924178903.

Adding to 54221503 its reverse (30512245), we get a palindrome (84733748).

The spelling of 54221503 in words is "fifty-four million, two hundred twenty-one thousand, five hundred three".