52561087488 has 528 divisors, whose sum is σ = 192754690560. Its totient is φ = 13853638656.

The previous prime is 52561087487. The next prime is 52561087489. The reversal of 52561087488 is 88478016525.

52561087488 is a `hidden beast` number, since 5 + 2 + 56 + 108 + 7 + 488 = 666.

It is an interprime number because it is at equal distance from previous prime (52561087487) and next prime (52561087489).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (52561087483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 32706781 + ... + 32708387.

Almost surely, 2^52561087488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 52561087488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (96377345280).

52561087488 is an abundant number, since it is smaller than the sum of its proper divisors (140193603072).

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

52561087488 is a wasteful number, since it uses less digits than its factorization.

52561087488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1669 (or 1632 counting only the distinct ones).

The product of its (nonzero) digits is 4300800, while the sum is 54.

The spelling of 52561087488 in words is "fifty-two billion, five hundred sixty-one million, eighty-seven thousand, four hundred eighty-eight".