52213780 has 24 divisors (see below), whose sum is σ = 109831680. Its totient is φ = 20850720.

The previous prime is 52213747. The next prime is 52213781. The reversal of 52213780 is 8731225.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52213781) 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 7 ways as a sum of consecutive naturals, for example, 12565 + ... + 16195.

It is an arithmetic number, because the mean of its divisors is an integer number (4576320).

Almost surely, 2^52213780 is an apocalyptic number.

It is an amenable number.

52213780 is an abundant number, since it is smaller than the sum of its proper divisors (57617900).

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

52213780 is a wasteful number, since it uses less digits than its factorization.

52213780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359 (or 4357 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 52213780 is about 7225.9103232742. The cubic root of 52213780 is about 373.7619139165.

The spelling of 52213780 in words is "fifty-two million, two hundred thirteen thousand, seven hundred eighty".