50551504020 has 144 divisors (see below), whose sum is σ = 155963441088. Its totient is φ = 13250603520.

The previous prime is 50551504013. The next prime is 50551504037. The reversal of 50551504020 is 2040515505.

50551504020 is a `hidden beast` number, since 5 + 0 + 551 + 50 + 40 + 20 = 666.

50551504020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5917192 + ... + 5925728.

It is an arithmetic number, because the mean of its divisors is an integer number (1083079452).

Almost surely, 2^50551504020 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 50551504020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77981720544).

50551504020 is an abundant number, since it is smaller than the sum of its proper divisors (105411937068).

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

50551504020 is a wasteful number, since it uses less digits than its factorization.

50551504020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9110 (or 9105 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The spelling of 50551504020 in words is "fifty billion, five hundred fifty-one million, five hundred four thousand, twenty".