50010001090000 has 400 divisors, whose sum is σ = 146626935561216. Its totient is φ = 16125465600000.

The previous prime is 50010001089959. The next prime is 50010001090019. The reversal of 50010001090000 is 9010001005.

It is a tau number, because it is divible by the number of its divisors (400).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1643374785 + ... + 1643405215.

Almost surely, 2^{50010001090000} is an apocalyptic number.

50010001090000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50010001090000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73313467780608).

50010001090000 is an abundant number, since it is smaller than the sum of its proper divisors (96616934471216).

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

50010001090000 is a wasteful number, since it uses less digits than its factorization.

50010001090000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31864 (or 31843 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 16.

Adding to 50010001090000 its reverse (9010001005), we get a palindrome (50019011091005).

The spelling of 50010001090000 in words is "fifty trillion, ten billion, one million, ninety thousand".