252624557555 has 16 divisors (see below), whose sum is σ = 321137237280. Its totient is φ = 190243302912.

The previous prime is 252624557551. The next prime is 252624557561. The reversal of 252624557555 is 555755426252.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 252624557555 - 2² = 252624557551 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 252624557497 and 252624557506.

It is not an unprimeable number, because it can be changed into a prime (252624557551) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8453894 + ... + 8483723.

It is an arithmetic number, because the mean of its divisors is an integer number (20071077330).

Almost surely, 2^252624557555 is an apocalyptic number.

252624557555 is a deficient number, since it is larger than the sum of its proper divisors (68512679725).

252624557555 is a wasteful number, since it uses less digits than its factorization.

252624557555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16937798.

The product of its digits is 21000000, while the sum is 53.

The spelling of 252624557555 in words is "two hundred fifty-two billion, six hundred twenty-four million, five hundred fifty-seven thousand, five hundred fifty-five".