51603201360 has 200 divisors, whose sum is σ = 180219855816. Its totient is φ = 13684515840.

The previous prime is 51603201359. The next prime is 51603201379. The reversal of 51603201360 is 6310230615.

51603201360 is a `hidden beast` number, since 5 + 1 + 603 + 20 + 1 + 36 + 0 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 1237069584 + 50366131776 = 35172^2 + 224424^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1150882 + ... + 1194878.

Almost surely, 2^51603201360 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 51603201360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90109927908).

51603201360 is an abundant number, since it is smaller than the sum of its proper divisors (128616654456).

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

51603201360 is a wasteful number, since it uses less digits than its factorization.

51603201360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44203 (or 44188 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

Adding to 51603201360 its reverse (6310230615), we get a palindrome (57913431975).

The spelling of 51603201360 in words is "fifty-one billion, six hundred three million, two hundred one thousand, three hundred sixty".