52291780 has 24 divisors (see below), whose sum is σ = 109948608. Its totient is φ = 20890848.

The previous prime is 52291751. The next prime is 52291787. The reversal of 52291780 is 8719225.

52291780 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (52291787) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 31327 + ... + 32953.

It is an arithmetic number, because the mean of its divisors is an integer number (4581192).

Almost surely, 2^52291780 is an apocalyptic number.

It is an amenable number.

52291780 is an abundant number, since it is smaller than the sum of its proper divisors (57656828).

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

52291780 is a wasteful number, since it uses less digits than its factorization.

52291780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3243 (or 3241 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 52291780 is about 7231.3055529413. The cubic root of 52291780 is about 373.9479371227.

The spelling of 52291780 in words is "fifty-two million, two hundred ninety-one thousand, seven hundred eighty".