503030055 has 32 divisors (see below), whose sum is σ = 879164928. Its totient is φ = 243574400.

The previous prime is 503030029. The next prime is 503030057. The reversal of 503030055 is 550030305.

It is not a de Polignac number, because 503030055 - 2⁵ = 503030023 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503030057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 168637 + ... + 171593.

It is an arithmetic number, because the mean of its divisors is an integer number (27473904).

Almost surely, 2^503030055 is an apocalyptic number.

503030055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

503030055 is a deficient number, since it is larger than the sum of its proper divisors (376134873).

503030055 is a wasteful number, since it uses less digits than its factorization.

503030055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007.

The product of its (nonzero) digits is 1125, while the sum is 21.

The square root of 503030055 is about 22428.3315251046. The cubic root of 503030055 is about 795.3006022758.

The spelling of 503030055 in words is "five hundred three million, thirty thousand, fifty-five".