52503042 has 64 divisors (see below), whose sum is σ = 116121600. Its totient is φ = 15765120.

The previous prime is 52503029. The next prime is 52503047. The reversal of 52503042 is 24030525.

It is not an unprimeable number, because it can be changed into a prime (52503047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 219559 + ... + 219797.

It is an arithmetic number, because the mean of its divisors is an integer number (1814400).

Almost surely, 2^52503042 is an apocalyptic number.

52503042 is an abundant number, since it is smaller than the sum of its proper divisors (63618558).

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

52503042 is a wasteful number, since it uses less digits than its factorization.

52503042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 52503042 is about 7245.8982879971. The cubic root of 52503042 is about 374.4508513323.

Adding to 52503042 its reverse (24030525), we get a palindrome (76533567).

The spelling of 52503042 in words is "fifty-two million, five hundred three thousand, forty-two".