52299225 has 108 divisors (see below), whose sum is σ = 109985148. Its totient is φ = 23654400.

The previous prime is 52299197. The next prime is 52299227.

52299225 = T₈₆ + T₈₇ + ... + T₆₇₉.

52299225 is nontrivially palindromic in base 10.

52299225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5184729 + 47114496 = 2277^2 + 6864^2 .

It is not a de Polignac number, because 52299225 - 2¹² = 52295129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 52299225.

It is not an unprimeable number, because it can be changed into a prime (52299227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 107 ways as a sum of consecutive naturals, for example, 462769 + ... + 462881.

It is an arithmetic number, because the mean of its divisors is an integer number (1018381).

Almost surely, 2^52299225 is an apocalyptic number.

52299225 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

52299225 is an abundant number, since it is smaller than the sum of its proper divisors (57685923).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52299225 is a wasteful number, since it uses less digits than its factorization.

52299225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168 (or 149 counting only the distinct ones).

The product of its digits is 32400, while the sum is 36.

The square root of 52299225 is about 7231.8203102677. The cubic root of 52299225 is about 373.9656831258.

The spelling of 52299225 in words is "fifty-two million, two hundred ninety-nine thousand, two hundred twenty-five".