52776225 has 48 divisors (see below), whose sum is σ = 99368640. Its totient is φ = 27446400.

The previous prime is 52776221. The next prime is 52776233. The reversal of 52776225 is 52267725.

52776225 is a `hidden beast` number, since 5 + 27 + 7 + 622 + 5 = 666.

It is not a de Polignac number, because 52776225 - 2² = 52776221 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52776225.

It is not an unprimeable number, because it can be changed into a prime (52776221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26722 + ... + 28628.

It is an arithmetic number, because the mean of its divisors is an integer number (2070180).

Almost surely, 2^52776225 is an apocalyptic number.

It is an amenable number.

52776225 is a deficient number, since it is larger than the sum of its proper divisors (46592415).

52776225 is a wasteful number, since it uses less digits than its factorization.

52776225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1956 counting only the distinct ones).

The product of its digits is 58800, while the sum is 36.

The square root of 52776225 is about 7264.7247022857. The cubic root of 52776225 is about 375.0991737699.

The spelling of 52776225 in words is "fifty-two million, seven hundred seventy-six thousand, two hundred twenty-five".