5451553503 has 16 divisors (see below), whose sum is σ = 8810592000. Its totient is φ = 3303971640.

The previous prime is 5451553483. The next prime is 5451553517. The reversal of 5451553503 is 3053551545.

5451553503 is a `hidden beast` number, since 5 + 4 + 51 + 553 + 50 + 3 = 666.

It is not a de Polignac number, because 5451553503 - 2¹³ = 5451545311 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5451553703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9177403 + ... + 9177996.

It is an arithmetic number, because the mean of its divisors is an integer number (550662000).

Almost surely, 2^5451553503 is an apocalyptic number.

5451553503 is a deficient number, since it is larger than the sum of its proper divisors (3359038497).

5451553503 is a wasteful number, since it uses less digits than its factorization.

5451553503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18355419 (or 18355413 counting only the distinct ones).

The product of its (nonzero) digits is 112500, while the sum is 36.

The square root of 5451553503 is about 73834.6362014468. The cubic root of 5451553503 is about 1759.9760567292.

The spelling of 5451553503 in words is "five billion, four hundred fifty-one million, five hundred fifty-three thousand, five hundred three".