50045445642 has 32 divisors (see below), whose sum is σ = 101262493440. Its totient is φ = 16486722560.

The previous prime is 50045445617. The next prime is 50045445647. The reversal of 50045445642 is 24654454005.

50045445642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 50045445642.

It is not an unprimeable number, because it can be changed into a prime (50045445647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1193167 + ... + 1234397.

It is an arithmetic number, because the mean of its divisors is an integer number (3164452920).

Almost surely, 2^50045445642 is an apocalyptic number.

50045445642 is an abundant number, since it is smaller than the sum of its proper divisors (51217047798).

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

50045445642 is a wasteful number, since it uses less digits than its factorization.

50045445642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43598.

The product of its (nonzero) digits is 384000, while the sum is 39.

Adding to 50045445642 its reverse (24654454005), we get a palindrome (74699899647).

The spelling of 50045445642 in words is "fifty billion, forty-five million, four hundred forty-five thousand, six hundred forty-two".