52081778 has 32 divisors (see below), whose sum is σ = 96163200. Its totient is φ = 20646144.

The previous prime is 52081769. The next prime is 52081807. The reversal of 52081778 is 87718025.

52081778 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 15 ways as a sum of consecutive naturals, for example, 12188 + ... + 15896.

It is an arithmetic number, because the mean of its divisors is an integer number (3005100).

Almost surely, 2^52081778 is an apocalyptic number.

52081778 is a deficient number, since it is larger than the sum of its proper divisors (44081422).

52081778 is a wasteful number, since it uses less digits than its factorization.

52081778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3794.

The product of its (nonzero) digits is 31360, while the sum is 38.

The square root of 52081778 is about 7216.7706074116. The cubic root of 52081778 is about 373.4466781344.

The spelling of 52081778 in words is "fifty-two million, eighty-one thousand, seven hundred seventy-eight".