50405500015500 has 384 divisors, whose sum is σ = 168746515531776. Its totient is φ = 11452834944000.

The previous prime is 50405500015463. The next prime is 50405500015571. The reversal of 50405500015500 is 551000550405.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 6714462747 + ... + 6714470253.

It is an arithmetic number, because the mean of its divisors is an integer number (439444050864).

Almost surely, 2^{50405500015500} is an apocalyptic number.

50405500015500 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 50405500015500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (84373257765888).

50405500015500 is an abundant number, since it is smaller than the sum of its proper divisors (118341015516276).

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

50405500015500 is a wasteful number, since it uses less digits than its factorization.

50405500015500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11250 (or 11238 counting only the distinct ones).

The product of its (nonzero) digits is 12500, while the sum is 30.

Adding to 50405500015500 its reverse (551000550405), we get a palindrome (50956500565905).

The spelling of 50405500015500 in words is "fifty trillion, four hundred five billion, five hundred million, fifteen thousand, five hundred".