52771286 has 4 divisors (see below), whose sum is σ = 79156932. Its totient is φ = 26385642.

The previous prime is 52771267. The next prime is 52771291. The reversal of 52771286 is 68217725.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13192820 + ... + 13192823.

It is an arithmetic number, because the mean of its divisors is an integer number (19789233).

Almost surely, 2^52771286 is an apocalyptic number.

52771286 is a deficient number, since it is larger than the sum of its proper divisors (26385646).

52771286 is a wasteful number, since it uses less digits than its factorization.

52771286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26385645.

The product of its digits is 47040, while the sum is 38.

The square root of 52771286 is about 7264.3847640389. The cubic root of 52771286 is about 375.0874723354.

The spelling of 52771286 in words is "fifty-two million, seven hundred seventy-one thousand, two hundred eighty-six".