51023152044 has 96 divisors (see below), whose sum is σ = 137252606400. Its totient is φ = 16372177920.

The previous prime is 51023152039. The next prime is 51023152067. The reversal of 51023152044 is 44025132015.

51023152044 is a `hidden beast` number, since 5 + 102 + 31 + 520 + 4 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 51023151999 and 51023152017.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1031314 + ... + 1079654.

It is an arithmetic number, because the mean of its divisors is an integer number (1429714650).

Almost surely, 2^51023152044 is an apocalyptic number.

51023152044 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51023152044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68626303200).

51023152044 is an abundant number, since it is smaller than the sum of its proper divisors (86229454356).

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

51023152044 is a wasteful number, since it uses less digits than its factorization.

51023152044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48720 (or 48712 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 27.

Adding to 51023152044 its reverse (44025132015), we get a palindrome (95048284059).

The spelling of 51023152044 in words is "fifty-one billion, twenty-three million, one hundred fifty-two thousand, forty-four".