51602422320 has 120 divisors (see below), whose sum is σ = 173525352000. Its totient is φ = 13742604288.

The previous prime is 51602422309. The next prime is 51602422337. The reversal of 51602422320 is 2322420615.

It is a happy number.

51602422320 is a `hidden beast` number, since 5 + 1 + 602 + 4 + 22 + 32 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 507081 + ... + 600279.

It is an arithmetic number, because the mean of its divisors is an integer number (1446044600).

Almost surely, 2^51602422320 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 51602422320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86762676000).

51602422320 is an abundant number, since it is smaller than the sum of its proper divisors (121922929680).

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

51602422320 is a wasteful number, since it uses less digits than its factorization.

51602422320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93987 (or 93978 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 51602422320 its reverse (2322420615), we get a palindrome (53924842935).

The spelling of 51602422320 in words is "fifty-one billion, six hundred two million, four hundred twenty-two thousand, three hundred twenty".