52231780 has 24 divisors (see below), whose sum is σ = 109828152. Its totient is φ = 20865792.

The previous prime is 52231763. The next prime is 52231787. The reversal of 52231780 is 8713225.

It can be written as a sum of positive squares in 4 ways, for example, as 2585664 + 49646116 = 1608^2 + 7046^2 .

It is not an unprimeable number, because it can be changed into a prime (52231787) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23184 + ... + 25336.

It is an arithmetic number, because the mean of its divisors is an integer number (4576173).

Almost surely, 2^52231780 is an apocalyptic number.

It is an amenable number.

52231780 is an abundant number, since it is smaller than the sum of its proper divisors (57596372).

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

52231780 is a wasteful number, since it uses less digits than its factorization.

52231780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3375 (or 3373 counting only the distinct ones).

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

The square root of 52231780 is about 7227.1557337586. The cubic root of 52231780 is about 373.8048587834.

The spelling of 52231780 in words is "fifty-two million, two hundred thirty-one thousand, seven hundred eighty".