51587652724848 has 160 divisors (see below), whose sum is σ = 156877037798400. Its totient is φ = 16174964542464.

The previous prime is 51587652724847. The next prime is 51587652724859. The reversal of 51587652724848 is 84842725678515.

51587652724848 is a `hidden beast` number, since 5 + 1 + 5 + 8 + 76 + 5 + 2 + 72 + 484 + 8 = 666.

It is a super-2 number, since 2×51587652724848² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51587652724847) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10615273 + ... + 14692151.

It is an arithmetic number, because the mean of its divisors is an integer number (980481486240).

Almost surely, 2^{51587652724848} 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 51587652724848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78438518899200).

51587652724848 is an abundant number, since it is smaller than the sum of its proper divisors (105289385073552).

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

51587652724848 is a wasteful number, since it uses less digits than its factorization.

51587652724848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4078636 (or 4078624 counting only the distinct ones).

The product of its digits is 1204224000, while the sum is 72.

The spelling of 51587652724848 in words is "fifty-one trillion, five hundred eighty-seven billion, six hundred fifty-two million, seven hundred twenty-four thousand, eight hundred forty-eight".