52778235 has 8 divisors (see below), whose sum is σ = 84445200. Its totient is φ = 28148384.

The previous prime is 52778233. The next prime is 52778239. The reversal of 52778235 is 53287725.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52778235 - 2¹ = 52778233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 52778193 and 52778202.

It is not an unprimeable number, because it can be changed into a prime (52778233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1759260 + ... + 1759289.

It is an arithmetic number, because the mean of its divisors is an integer number (10555650).

Almost surely, 2^52778235 is an apocalyptic number.

52778235 is a deficient number, since it is larger than the sum of its proper divisors (31666965).

52778235 is a wasteful number, since it uses less digits than its factorization.

52778235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3518557.

The product of its digits is 117600, while the sum is 39.

The square root of 52778235 is about 7264.8630406911. The cubic root of 52778235 is about 375.1039356348.

The spelling of 52778235 in words is "fifty-two million, seven hundred seventy-eight thousand, two hundred thirty-five".