52775278 has 4 divisors (see below), whose sum is σ = 79162920. Its totient is φ = 26387638.

The previous prime is 52775269. The next prime is 52775279. The reversal of 52775278 is 87257725.

52775278 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52775279) 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, 13193818 + ... + 13193821.

It is an arithmetic number, because the mean of its divisors is an integer number (19790730).

Almost surely, 2^52775278 is an apocalyptic number.

52775278 is a deficient number, since it is larger than the sum of its proper divisors (26387642).

52775278 is a wasteful number, since it uses less digits than its factorization.

52775278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26387641.

The product of its digits is 274400, while the sum is 43.

The square root of 52775278 is about 7264.6595240245. The cubic root of 52775278 is about 375.0969302025.

The spelling of 52775278 in words is "fifty-two million, seven hundred seventy-five thousand, two hundred seventy-eight".