503055139 has 2 divisors, whose sum is σ = 503055140. Its totient is φ = 503055138.

The previous prime is 503055061. The next prime is 503055209. The reversal of 503055139 is 931550305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 503055139 - 2¹¹ = 503053091 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 503055139.

It is not a weakly prime, because it can be changed into another prime (503055239) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251527569 + 251527570.

It is an arithmetic number, because the mean of its divisors is an integer number (251527570).

Almost surely, 2^503055139 is an apocalyptic number.

503055139 is a deficient number, since it is larger than the sum of its proper divisors (1).

503055139 is an equidigital number, since it uses as much as digits as its factorization.

503055139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10125, while the sum is 31.

The square root of 503055139 is about 22428.8907215671. The cubic root of 503055139 is about 795.3138214917.

The spelling of 503055139 in words is "five hundred three million, fifty-five thousand, one hundred thirty-nine".