53278772 has 12 divisors (see below), whose sum is σ = 93322656. Its totient is φ = 26615160.

The previous prime is 53278751. The next prime is 53278807. The reversal of 53278772 is 27787235.

53278772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 554 + ... + 10337.

It is an arithmetic number, because the mean of its divisors is an integer number (7776888).

Almost surely, 2^53278772 is an apocalyptic number.

It is an amenable number.

53278772 is a deficient number, since it is larger than the sum of its proper divisors (40043884).

53278772 is a wasteful number, since it uses less digits than its factorization.

53278772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12118 (or 12116 counting only the distinct ones).

The product of its digits is 164640, while the sum is 41.

The square root of 53278772 is about 7299.2309183913. The cubic root of 53278772 is about 376.2860073044.

The spelling of 53278772 in words is "fifty-three million, two hundred seventy-eight thousand, seven hundred seventy-two".