52443521251 has 12 divisors (see below), whose sum is σ = 60678457000. Its totient is φ = 45166667040.

The previous prime is 52443521233. The next prime is 52443521257. The reversal of 52443521251 is 15212534425.

It is a happy number.

It is not a de Polignac number, because 52443521251 - 2²³ = 52435132643 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52443521257) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11403426 + ... + 11408023.

Almost surely, 2^52443521251 is an apocalyptic number.

52443521251 is a deficient number, since it is larger than the sum of its proper divisors (8234935749).

52443521251 is a wasteful number, since it uses less digits than its factorization.

52443521251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22811490 (or 22811479 counting only the distinct ones).

The product of its digits is 48000, while the sum is 34.

The spelling of 52443521251 in words is "fifty-two billion, four hundred forty-three million, five hundred twenty-one thousand, two hundred fifty-one".