55404532503 has 12 divisors (see below), whose sum is σ = 80106254800. Its totient is φ = 36900592416.

The previous prime is 55404532453. The next prime is 55404532529. The reversal of 55404532503 is 30523540455.

55404532503 is a `hidden beast` number, since 554 + 0 + 4 + 53 + 2 + 50 + 3 = 666.

It is not a de Polignac number, because 55404532503 - 2¹² = 55404528407 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 (55404531503) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2970403 + ... + 2988996.

Almost surely, 2^55404532503 is an apocalyptic number.

55404532503 is a deficient number, since it is larger than the sum of its proper divisors (24701722297).

55404532503 is a wasteful number, since it uses less digits than its factorization.

55404532503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5960438 (or 5960435 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 36.

The spelling of 55404532503 in words is "fifty-five billion, four hundred four million, five hundred thirty-two thousand, five hundred three".