52651284 has 72 divisors (see below), whose sum is σ = 144099648. Its totient is φ = 14918400.

The previous prime is 52651283. The next prime is 52651289. The reversal of 52651284 is 48215625.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52651283) 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 23 ways as a sum of consecutive naturals, for example, 88492 + ... + 89084.

It is an arithmetic number, because the mean of its divisors is an integer number (2001384).

Almost surely, 2^52651284 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 52651284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72049824).

52651284 is an abundant number, since it is smaller than the sum of its proper divisors (91448364).

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

52651284 is a wasteful number, since it uses less digits than its factorization.

52651284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 765 (or 756 counting only the distinct ones).

The product of its digits is 19200, while the sum is 33.

The square root of 52651284 is about 7256.1204510399. The cubic root of 52651284 is about 374.8029400200.

The spelling of 52651284 in words is "fifty-two million, six hundred fifty-one thousand, two hundred eighty-four".