52778956 has 12 divisors (see below), whose sum is σ = 95548320. Its totient is φ = 25479440.

The previous prime is 52778933. The next prime is 52778959. The reversal of 52778956 is 65987725.

It is not an unprimeable number, because it can be changed into a prime (52778959) 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, 227380 + ... + 227611.

It is an arithmetic number, because the mean of its divisors is an integer number (7962360).

Almost surely, 2^52778956 is an apocalyptic number.

It is an amenable number.

52778956 is a deficient number, since it is larger than the sum of its proper divisors (42769364).

52778956 is a wasteful number, since it uses less digits than its factorization.

52778956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 455024 (or 455022 counting only the distinct ones).

The product of its digits is 1058400, while the sum is 49.

The square root of 52778956 is about 7264.9126629300. The cubic root of 52778956 is about 375.1056437171.

The spelling of 52778956 in words is "fifty-two million, seven hundred seventy-eight thousand, nine hundred fifty-six".