54555403 has 12 divisors (see below), whose sum is σ = 65806320. Its totient is φ = 44298576.

The previous prime is 54555401. The next prime is 54555421. The reversal of 54555403 is 30455545.

It is not a de Polignac number, because 54555403 - 2¹ = 54555401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54555401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8268 + ... + 13321.

It is an arithmetic number, because the mean of its divisors is an integer number (5483860).

Almost surely, 2^54555403 is an apocalyptic number.

54555403 is a deficient number, since it is larger than the sum of its proper divisors (11250917).

54555403 is a wasteful number, since it uses less digits than its factorization.

54555403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21634 (or 21615 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 31.

The square root of 54555403 is about 7386.1629416091. The cubic root of 54555403 is about 379.2677565718.

The spelling of 54555403 in words is "fifty-four million, five hundred fifty-five thousand, four hundred three".