503206420055 has 32 divisors (see below), whose sum is σ = 634751726400. Its totient is φ = 382478810112.

The previous prime is 503206420039. The next prime is 503206420133. The reversal of 503206420055 is 550024602305.

It is a cyclic number.

It is not a de Polignac number, because 503206420055 - 2⁴ = 503206420039 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54638291 + ... + 54647499.

It is an arithmetic number, because the mean of its divisors is an integer number (19835991450).

Almost surely, 2^503206420055 is an apocalyptic number.

503206420055 is a deficient number, since it is larger than the sum of its proper divisors (131545306345).

503206420055 is a wasteful number, since it uses less digits than its factorization.

503206420055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16163.

The product of its (nonzero) digits is 36000, while the sum is 32.

The spelling of 503206420055 in words is "five hundred three billion, two hundred six million, four hundred twenty thousand, fifty-five".