54505503 has 24 divisors (see below), whose sum is σ = 85248800. Its totient is φ = 33359040.

The previous prime is 54505499. The next prime is 54505511. The reversal of 54505503 is 30550545.

It is not a de Polignac number, because 54505503 - 2² = 54505499 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54505573) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22113 + ... + 24453.

Almost surely, 2^54505503 is an apocalyptic number.

54505503 is a deficient number, since it is larger than the sum of its proper divisors (30743297).

54505503 is a wasteful number, since it uses less digits than its factorization.

54505503 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2559 (or 2556 counting only the distinct ones).

The product of its (nonzero) digits is 7500, while the sum is 27.

The square root of 54505503 is about 7382.7842308983. The cubic root of 54505503 is about 379.1520867933.

The spelling of 54505503 in words is "fifty-four million, five hundred five thousand, five hundred three".