503455042 has 16 divisors (see below), whose sum is σ = 760687200. Its totient is φ = 249897760.

The previous prime is 503455037. The next prime is 503455049. The reversal of 503455042 is 240554305.

It is a self number, because there is not a number n which added to its sum of digits gives 503455042.

It is not an unprimeable number, because it can be changed into a prime (503455049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 389934 + ... + 391222.

It is an arithmetic number, because the mean of its divisors is an integer number (47542950).

Almost surely, 2^503455042 is an apocalyptic number.

503455042 is a deficient number, since it is larger than the sum of its proper divisors (257232158).

503455042 is a wasteful number, since it uses less digits than its factorization.

503455042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2561.

The product of its (nonzero) digits is 12000, while the sum is 28.

The square root of 503455042 is about 22437.8038586667. The cubic root of 503455042 is about 795.5245102203.

The spelling of 503455042 in words is "five hundred three million, four hundred fifty-five thousand, forty-two".