50512112154 has 48 divisors (see below), whose sum is σ = 125279868480. Its totient is φ = 14408694720.

The previous prime is 50512112153. The next prime is 50512112269. The reversal of 50512112154 is 45121121505.

It is a happy number.

50512112154 is a `hidden beast` number, since 505 + 1 + 2 + 1 + 1 + 2 + 154 = 666.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50512112153) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 245827 + ... + 401814.

It is an arithmetic number, because the mean of its divisors is an integer number (2609997260).

Almost surely, 2^50512112154 is an apocalyptic number.

50512112154 is an abundant number, since it is smaller than the sum of its proper divisors (74767756326).

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

50512112154 is a wasteful number, since it uses less digits than its factorization.

50512112154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 648275 (or 648272 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 27.

Adding to 50512112154 its reverse (45121121505), we get a palindrome (95633233659).

The spelling of 50512112154 in words is "fifty billion, five hundred twelve million, one hundred twelve thousand, one hundred fifty-four".