52661302447 has 8 divisors (see below), whose sum is σ = 56738740016. Its totient is φ = 48587660352.

The previous prime is 52661302433. The next prime is 52661302459. The reversal of 52661302447 is 74420316625.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 52661302447 - 2¹¹ = 52661300399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52661302427) 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, 920013 + ... + 975574.

It is an arithmetic number, because the mean of its divisors is an integer number (7092342502).

Almost surely, 2^52661302447 is an apocalyptic number.

52661302447 is a deficient number, since it is larger than the sum of its proper divisors (4077437569).

52661302447 is a wasteful number, since it uses less digits than its factorization.

52661302447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1897737.

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 52661302447 in words is "fifty-two billion, six hundred sixty-one million, three hundred two thousand, four hundred forty-seven".