52780744 has 8 divisors (see below), whose sum is σ = 98963910. Its totient is φ = 26390368.

The previous prime is 52780729. The next prime is 52780747. The reversal of 52780744 is 44708725.

52780744 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 52736644 + 44100 = 7262^2 + 210^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (52780747) by changing a digit.

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 as a sum of consecutive naturals, namely, 3298789 + ... + 3298804.

Almost surely, 2^52780744 is an apocalyptic number.

It is an amenable number.

52780744 is a deficient number, since it is larger than the sum of its proper divisors (46183166).

52780744 is a wasteful number, since it uses less digits than its factorization.

52780744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6597599 (or 6597595 counting only the distinct ones).

The product of its (nonzero) digits is 62720, while the sum is 37.

The square root of 52780744 is about 7265.0357191138. The cubic root of 52780744 is about 375.1098795045.

The spelling of 52780744 in words is "fifty-two million, seven hundred eighty thousand, seven hundred forty-four".