52250406 has 36 divisors (see below), whose sum is σ = 113658372. Its totient is φ = 16006224.

The previous prime is 52250383. The next prime is 52250423. The reversal of 52250406 is 60405225.

52250406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 230065 + ... + 230291.

It is an arithmetic number, because the mean of its divisors is an integer number (3157177).

Almost surely, 2^52250406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52250406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56829186).

52250406 is an abundant number, since it is smaller than the sum of its proper divisors (61407966).

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

52250406 is a wasteful number, since it uses less digits than its factorization.

52250406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485 (or 245 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 24.

The square root of 52250406 is about 7228.4442309532. Note that the first 3 decimals coincide. The cubic root of 52250406 is about 373.8492867916.

Multiplying 52250406 by its sum of digits (24), we get a square (1254009744 = 35412²).

Multiplying 52250406 by its product of nonzero digits (2400), we get a square (125400974400 = 354120²).

The spelling of 52250406 in words is "fifty-two million, two hundred fifty thousand, four hundred six".