50421152646 has 40 divisors (see below), whose sum is σ = 113011279920. Its totient is φ = 16802506512.

The previous prime is 50421152629. The next prime is 50421152647. The reversal of 50421152646 is 64625112405.

50421152646 is a `hidden beast` number, since 5 + 0 + 4 + 2 + 1 + 1 + 5 + 2 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 50421152646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50421152647) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 587935 + ... + 668213.

It is an arithmetic number, because the mean of its divisors is an integer number (2825281998).

Almost surely, 2^50421152646 is an apocalyptic number.

50421152646 is an abundant number, since it is smaller than the sum of its proper divisors (62590127274).

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

50421152646 is a wasteful number, since it uses less digits than its factorization.

50421152646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84170 (or 84161 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The spelling of 50421152646 in words is "fifty billion, four hundred twenty-one million, one hundred fifty-two thousand, six hundred forty-six".