51750088544 has 144 divisors (see below), whose sum is σ = 129676755600. Its totient is φ = 20102261760.

The previous prime is 51750088493. The next prime is 51750088553. The reversal of 51750088544 is 44588005715.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6015254 + ... + 6023850.

It is an arithmetic number, because the mean of its divisors is an integer number (900533025).

Almost surely, 2^51750088544 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 51750088544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64838377800).

51750088544 is an abundant number, since it is smaller than the sum of its proper divisors (77926667056).

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

51750088544 is a wasteful number, since it uses less digits than its factorization.

51750088544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8981 (or 8966 counting only the distinct ones).

The product of its (nonzero) digits is 896000, while the sum is 47.

The spelling of 51750088544 in words is "fifty-one billion, seven hundred fifty million, eighty-eight thousand, five hundred forty-four".