50551051000 has 64 divisors (see below), whose sum is σ = 118346904000. Its totient is φ = 20210601600.

The previous prime is 50551050997. The next prime is 50551051021. The reversal of 50551051000 is 15015505.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2257861 + ... + 2280139.

It is an arithmetic number, because the mean of its divisors is an integer number (1849170375).

Almost surely, 2^50551051000 is an apocalyptic number.

50551051000 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 50551051000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59173452000).

50551051000 is an abundant number, since it is smaller than the sum of its proper divisors (67795853000).

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

50551051000 is a wasteful number, since it uses less digits than its factorization.

50551051000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24569 (or 24555 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 22.

Adding to 50551051000 its reverse (15015505), we get a palindrome (50566066505).

The spelling of 50551051000 in words is "fifty billion, five hundred fifty-one million, fifty-one thousand".