51448113360 has 1280 divisors, whose sum is σ = 226271232000. Its totient is φ = 10480803840.

The previous prime is 51448113263. The next prime is 51448113371. The reversal of 51448113360 is 6331184415.

51448113360 is a `hidden beast` number, since 514 + 4 + 8 + 1 + 133 + 6 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 472000986 + ... + 472001094.

It is an arithmetic number, because the mean of its divisors is an integer number (176774400).

Almost surely, 2^51448113360 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 51448113360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113135616000).

51448113360 is an abundant number, since it is smaller than the sum of its proper divisors (174823118640).

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

51448113360 is a wasteful number, since it uses less digits than its factorization.

51448113360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241 (or 229 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

Adding to 51448113360 its reverse (6331184415), we get a palindrome (57779297775).

The spelling of 51448113360 in words is "fifty-one billion, four hundred forty-eight million, one hundred thirteen thousand, three hundred sixty".