50025544128 has 252 divisors, whose sum is σ = 167167910520. Its totient is φ = 14261474304.

The previous prime is 50025544091. The next prime is 50025544147. The reversal of 50025544128 is 82144552005.

50025544128 is a `hidden beast` number, since 500 + 25 + 5 + 4 + 4 + 128 = 666.

It is a tau number, because it is divible by the number of its divisors (252).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 50025544092 and 50025544101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 14759458 + ... + 14762846.

Almost surely, 2^50025544128 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 50025544128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83583955260).

50025544128 is an abundant number, since it is smaller than the sum of its proper divisors (117142366392).

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

50025544128 is a wasteful number, since it uses less digits than its factorization.

50025544128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3944 (or 3924 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 36.

The spelling of 50025544128 in words is "fifty billion, twenty-five million, five hundred forty-four thousand, one hundred twenty-eight".