52661007544 has 32 divisors (see below), whose sum is σ = 104729644800. Its totient is φ = 24754260960.

The previous prime is 52661007521. The next prime is 52661007571. The reversal of 52661007544 is 44570016625.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 52661007497 and 52661007506.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1302432 + ... + 1342255.

It is an arithmetic number, because the mean of its divisors is an integer number (3272801400).

Almost surely, 2^52661007544 is an apocalyptic number.

It is an amenable number.

52661007544 is a deficient number, since it is larger than the sum of its proper divisors (52068637256).

52661007544 is a wasteful number, since it uses less digits than its factorization.

52661007544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2644843 (or 2644839 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 40.

The spelling of 52661007544 in words is "fifty-two billion, six hundred sixty-one million, seven thousand, five hundred forty-four".