52780304 has 10 divisors (see below), whose sum is σ = 102261870. Its totient is φ = 26390144.

The previous prime is 52780303. The next prime is 52780313. The reversal of 52780304 is 40308725.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 44089600 + 8690704 = 6640^2 + 2948^2 .

It is not an unprimeable number, because it can be changed into a prime (52780303) 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 as a sum of consecutive naturals, namely, 1649369 + ... + 1649400.

It is an arithmetic number, because the mean of its divisors is an integer number (10226187).

Almost surely, 2^52780304 is an apocalyptic number.

It is an amenable number.

52780304 is a deficient number, since it is larger than the sum of its proper divisors (49481566).

52780304 is a wasteful number, since it uses less digits than its factorization.

52780304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3298777 (or 3298771 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

The square root of 52780304 is about 7265.0054370248. The cubic root of 52780304 is about 375.1088371496.

The spelling of 52780304 in words is "fifty-two million, seven hundred eighty thousand, three hundred four".