50551289503368 has 128 divisors (see below), whose sum is σ = 134080286256000. Its totient is φ = 15827477299200.

The previous prime is 50551289503343. The next prime is 50551289503433. The reversal of 50551289503368 is 86330598215505.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 757414143 + ... + 757480881.

It is an arithmetic number, because the mean of its divisors is an integer number (1047502236375).

Almost surely, 2^{50551289503368} 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 50551289503368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67040143128000).

50551289503368 is an abundant number, since it is smaller than the sum of its proper divisors (83528996752632).

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

50551289503368 is a wasteful number, since it uses less digits than its factorization.

50551289503368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70455 (or 70451 counting only the distinct ones).

The product of its (nonzero) digits is 38880000, while the sum is 60.

The spelling of 50551289503368 in words is "fifty trillion, five hundred fifty-one billion, two hundred eighty-nine million, five hundred three thousand, three hundred sixty-eight".