52261930 has 24 divisors (see below), whose sum is σ = 109431108. Its totient is φ = 17918208.

The previous prime is 52261919. The next prime is 52261931. The reversal of 52261930 is 3916225.

52261930 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 2 ways, for example, as 50282281 + 1979649 = 7091^2 + 1407^2 .

It is not an unprimeable number, because it can be changed into a prime (52261931) 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 11 ways as a sum of consecutive naturals, for example, 52839 + ... + 53818.

Almost surely, 2^52261930 is an apocalyptic number.

52261930 is an abundant number, since it is smaller than the sum of its proper divisors (57169178).

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

52261930 is a wasteful number, since it uses less digits than its factorization.

52261930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106678 (or 106671 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 52261930 is about 7229.2413156569. The cubic root of 52261930 is about 373.8767693371.

The spelling of 52261930 in words is "fifty-two million, two hundred sixty-one thousand, nine hundred thirty".