54638503 has 4 divisors (see below), whose sum is σ = 54723600. Its totient is φ = 54553408.

The previous prime is 54638491. The next prime is 54638531. The reversal of 54638503 is 30583645.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54638503 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 (54638303) 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, 41578 + ... + 42871.

It is an arithmetic number, because the mean of its divisors is an integer number (13680900).

Almost surely, 2^54638503 is an apocalyptic number.

54638503 is a deficient number, since it is larger than the sum of its proper divisors (85097).

54638503 is an equidigital number, since it uses as much as digits as its factorization.

54638503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85096.

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 54638503 is about 7391.7861846782. The cubic root of 54638503 is about 379.4602285656.

The spelling of 54638503 in words is "fifty-four million, six hundred thirty-eight thousand, five hundred three".