51567260 has 36 divisors (see below), whose sum is σ = 111938904. Its totient is φ = 19954080.

The previous prime is 51567253. The next prime is 51567281. The reversal of 51567260 is 6276515.

It is a happy number.

51567260 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 11 ways as a sum of consecutive naturals, for example, 17879 + ... + 20561.

It is an arithmetic number, because the mean of its divisors is an integer number (3109414).

Almost surely, 2^51567260 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51567260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55969452).

51567260 is an abundant number, since it is smaller than the sum of its proper divisors (60371644).

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

51567260 is a wasteful number, since it uses less digits than its factorization.

51567260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2754 (or 2721 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 51567260 is about 7181.0347443805. The cubic root of 51567260 is about 372.2128411619.

The spelling of 51567260 in words is "fifty-one million, five hundred sixty-seven thousand, two hundred sixty".