503541990 has 384 divisors, whose sum is σ = 1725235200. Its totient is φ = 99221760.

The previous prime is 503541977. The next prime is 503542001. The reversal of 503541990 is 99145305.

503541990 is a `hidden beast` number, since 503 + 54 + 19 + 90 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 8534581 + ... + 8534639.

It is an arithmetic number, because the mean of its divisors is an integer number (4492800).

Almost surely, 2^503541990 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 503541990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (862617600).

503541990 is an abundant number, since it is smaller than the sum of its proper divisors (1221693210).

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

503541990 is a wasteful number, since it uses less digits than its factorization.

503541990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152 (or 149 counting only the distinct ones).

The product of its (nonzero) digits is 24300, while the sum is 36.

The square root of 503541990 is about 22439.7413086693. The cubic root of 503541990 is about 795.5703039707.

The spelling of 503541990 in words is "five hundred three million, five hundred forty-one thousand, nine hundred ninety".