52293780 has 270 divisors, whose sum is σ = 203403018. Its totient is φ = 10866240.

The previous prime is 52293779. The next prime is 52293793. The reversal of 52293780 is 8739225.

It is a happy number.

52293780 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 only one way, i.e., 41835024 + 10458756 = 6468^2 + 3234^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

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 89 ways as a sum of consecutive naturals, for example, 4753975 + ... + 4753985.

Almost surely, 2^52293780 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 52293780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101701509).

52293780 is an abundant number, since it is smaller than the sum of its proper divisors (151109238).

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

52293780 is a wasteful number, since it uses less digits than its factorization.

52293780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65 (or 28 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 52293780 is about 7231.4438392343. The cubic root of 52293780 is about 373.9527045153.

It can be divided in two parts, 5229 and 3780, that added together give a palindrome (9009).

The spelling of 52293780 in words is "fifty-two million, two hundred ninety-three thousand, seven hundred eighty".