50511051050004 has 144 divisors (see below), whose sum is σ = 137400705361920. Its totient is φ = 15604681466880.

The previous prime is 50511051049997. The next prime is 50511051050029. The reversal of 50511051050004 is 40005015011505.

50511051050004 is a `hidden beast` number, since 5 + 0 + 51 + 105 + 1 + 0 + 500 + 0 + 4 = 666.

It is a super-2 number, since 2×50511051050004² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50511051050004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3962637 + ... + 10803915.

Almost surely, 2^{50511051050004} 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 50511051050004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68700352680960).

50511051050004 is an abundant number, since it is smaller than the sum of its proper divisors (86889654311916).

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

50511051050004 is a wasteful number, since it uses less digits than its factorization.

50511051050004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6841590 (or 6841585 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 27.

Adding to 50511051050004 its reverse (40005015011505), we get a palindrome (90516066061509).

The spelling of 50511051050004 in words is "fifty trillion, five hundred eleven billion, fifty-one million, fifty thousand, four".