50551010000 has 100 divisors (see below), whose sum is σ = 127710894432. Its totient is φ = 19341168000.

The previous prime is 50551009967. The next prime is 50551010011. The reversal of 50551010000 is 1015505.

It is a tau number, because it is divible by the number of its divisors (100).

It is a super-2 number, since 2×50551010000² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 120107 + ... + 339893.

Almost surely, 2^50551010000 is an apocalyptic number.

50551010000 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 50551010000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63855447216).

50551010000 is an abundant number, since it is smaller than the sum of its proper divisors (77159884432).

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

50551010000 is a wasteful number, since it uses less digits than its factorization.

50551010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219838 (or 219817 counting only the distinct ones).

The product of its (nonzero) digits is 125, while the sum is 17.

Adding to 50551010000 its reverse (1015505), we get a palindrome (50552025505).

The spelling of 50551010000 in words is "fifty billion, five hundred fifty-one million, ten thousand".