503055030 has 32 divisors (see below), whose sum is σ = 1209384288. Its totient is φ = 133920000.

The previous prime is 503055019. The next prime is 503055031. The reversal of 503055030 is 30550305.

It is a junction number, because it is equal to n+sod(n) for n = 503054988 and 503055006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (503055031) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4080 + ... + 31980.

It is an arithmetic number, because the mean of its divisors is an integer number (37793259).

Almost surely, 2^503055030 is an apocalyptic number.

503055030 is an abundant number, since it is smaller than the sum of its proper divisors (706329258).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

503055030 is a wasteful number, since it uses less digits than its factorization.

503055030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28512.

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

The square root of 503055030 is about 22428.8882916653. Note that the first 3 decimals coincide. The cubic root of 503055030 is about 795.3137640499.

The spelling of 503055030 in words is "five hundred three million, fifty-five thousand, thirty".