52778363 has 4 divisors (see below), whose sum is σ = 57576408. Its totient is φ = 47980320.

The previous prime is 52778339. The next prime is 52778377. The reversal of 52778363 is 36387725.

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

It is a cyclic number.

It is not a de Polignac number, because 52778363 - 2⁸ = 52778107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52778363.

It is not an unprimeable number, because it can be changed into a prime (52778303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2399006 + ... + 2399027.

It is an arithmetic number, because the mean of its divisors is an integer number (14394102).

Almost surely, 2^52778363 is an apocalyptic number.

52778363 is a deficient number, since it is larger than the sum of its proper divisors (4798045).

52778363 is a wasteful number, since it uses less digits than its factorization.

52778363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4798044.

The product of its digits is 211680, while the sum is 41.

The square root of 52778363 is about 7264.8718502118. The cubic root of 52778363 is about 375.1042388739.

The spelling of 52778363 in words is "fifty-two million, seven hundred seventy-eight thousand, three hundred sixty-three".