52669444634520 has 256 divisors, whose sum is σ = 191930384701440. Its totient is φ = 11287486783488.

The previous prime is 52669444634459. The next prime is 52669444634567. The reversal of 52669444634520 is 2543644496625.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3256407 + ... + 10767686.

It is an arithmetic number, because the mean of its divisors is an integer number (749728065240).

Almost surely, 2^{52669444634520} is an apocalyptic number.

It is an amenable number.

52669444634520 is an abundant number, since it is smaller than the sum of its proper divisors (139260940066920).

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

52669444634520 is a wasteful number, since it uses less digits than its factorization.

52669444634520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14024394 (or 14024390 counting only the distinct ones).

The product of its (nonzero) digits is 149299200, while the sum is 60.

The spelling of 52669444634520 in words is "fifty-two trillion, six hundred sixty-nine billion, four hundred forty-four million, six hundred thirty-four thousand, five hundred twenty".