503878542 has 16 divisors (see below), whose sum is σ = 1008450000. Its totient is φ = 167844032.

The previous prime is 503878517. The next prime is 503878553. The reversal of 503878542 is 245878305.

It is a junction number, because it is equal to n+sod(n) for n = 503878494 and 503878503.

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 7 ways as a sum of consecutive naturals, for example, 19167 + ... + 37082.

It is an arithmetic number, because the mean of its divisors is an integer number (63028125).

Almost surely, 2^503878542 is an apocalyptic number.

503878542 is an abundant number, since it is smaller than the sum of its proper divisors (504571458).

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

503878542 is a wasteful number, since it uses less digits than its factorization.

503878542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57747.

The product of its (nonzero) digits is 268800, while the sum is 42.

The square root of 503878542 is about 22447.2390729907. The cubic root of 503878542 is about 795.7475094155.

The spelling of 503878542 in words is "five hundred three million, eight hundred seventy-eight thousand, five hundred forty-two".