52781804 has 18 divisors (see below), whose sum is σ = 98123340. Its totient is φ = 24837952.

The previous prime is 52781797. The next prime is 52781819. The reversal of 52781804 is 40818725.

52781804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 5 ways as a sum of consecutive naturals, for example, 21674 + ... + 23985.

Almost surely, 2^52781804 is an apocalyptic number.

It is an amenable number.

52781804 is a deficient number, since it is larger than the sum of its proper divisors (45341536).

52781804 is a wasteful number, since it uses less digits than its factorization.

52781804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45697 (or 45678 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 35.

The square root of 52781804 is about 7265.1086709009. The cubic root of 52781804 is about 375.1123906085.

The spelling of 52781804 in words is "fifty-two million, seven hundred eighty-one thousand, eight hundred four".