503636540 has 48 divisors (see below), whose sum is σ = 1191020544. Its totient is φ = 177230400.

The previous prime is 503636531. The next prime is 503636569. The reversal of 503636540 is 45636305.

It is a junction number, because it is equal to n+sod(n) for n = 503636497 and 503636506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30104 + ... + 43743.

It is an arithmetic number, because the mean of its divisors is an integer number (24812928).

Almost surely, 2^503636540 is an apocalyptic number.

It is an amenable number.

503636540 is an abundant number, since it is smaller than the sum of its proper divisors (687384004).

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

503636540 is a wasteful number, since it uses less digits than its factorization.

503636540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73898 (or 73896 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The square root of 503636540 is about 22441.8479631246. The cubic root of 503636540 is about 795.6200955579.

The spelling of 503636540 in words is "five hundred three million, six hundred thirty-six thousand, five hundred forty".