51380750088 has 288 divisors, whose sum is σ = 159785589600. Its totient is φ = 15413359104.

The previous prime is 51380750051. The next prime is 51380750191. The reversal of 51380750088 is 88005708315.

It is a happy number.

51380750088 is a `hidden beast` number, since 5 + 138 + 0 + 7 + 500 + 8 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 17480923 + ... + 17483861.

It is an arithmetic number, because the mean of its divisors is an integer number (554811075).

Almost surely, 2^51380750088 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 51380750088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79892794800).

51380750088 is an abundant number, since it is smaller than the sum of its proper divisors (108404839512).

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

51380750088 is a wasteful number, since it uses less digits than its factorization.

51380750088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3023 (or 2984 counting only the distinct ones).

The product of its (nonzero) digits is 268800, while the sum is 45.

The spelling of 51380750088 in words is "fifty-one billion, three hundred eighty million, seven hundred fifty thousand, eighty-eight".