54516503 has 4 divisors (see below), whose sum is σ = 55989960. Its totient is φ = 53043048.

The previous prime is 54516499. The next prime is 54516541. The reversal of 54516503 is 30561545.

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 54516503 - 2² = 54516499 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 (54519503) 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, 736673 + ... + 736746.

It is an arithmetic number, because the mean of its divisors is an integer number (13997490).

Almost surely, 2^54516503 is an apocalyptic number.

54516503 is a deficient number, since it is larger than the sum of its proper divisors (1473457).

54516503 is a wasteful number, since it uses less digits than its factorization.

54516503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1473456.

The product of its (nonzero) digits is 9000, while the sum is 29.

The square root of 54516503 is about 7383.5291697128. The cubic root of 54516503 is about 379.1775912053.

The spelling of 54516503 in words is "fifty-four million, five hundred sixteen thousand, five hundred three".