52187627520 has 528 divisors, whose sum is σ = 209379605760. Its totient is φ = 11777605632.

The previous prime is 52187627519. The next prime is 52187627537. The reversal of 52187627520 is 2572678125.

52187627520 is a `hidden beast` number, since 5 + 2 + 18 + 7 + 627 + 5 + 2 + 0 = 666.

It is a super-2 number, since 2×52187627520² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 660602841 + ... + 660602919.

Almost surely, 2^52187627520 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 52187627520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104689802880).

52187627520 is an abundant number, since it is smaller than the sum of its proper divisors (157191978240).

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

52187627520 is an frugal number, since it uses more digits than its factorization.

52187627520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139 (or 96 counting only the distinct ones).

The product of its (nonzero) digits is 470400, while the sum is 45.

The spelling of 52187627520 in words is "fifty-two billion, one hundred eighty-seven million, six hundred twenty-seven thousand, five hundred twenty".