50163613638 has 32 divisors (see below), whose sum is σ = 103025907072. Its totient is φ = 16274193600.

The previous prime is 50163613637. The next prime is 50163613639. The reversal of 50163613638 is 83631636105.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (50163613637) and next prime (50163613639).

It is a self number, because there is not a number n which added to its sum of digits gives 50163613638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50163613637) 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, 273468 + ... + 418463.

It is an arithmetic number, because the mean of its divisors is an integer number (3219559596).

Almost surely, 2^50163613638 is an apocalyptic number.

50163613638 is an abundant number, since it is smaller than the sum of its proper divisors (52862293434).

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

50163613638 is a wasteful number, since it uses less digits than its factorization.

50163613638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692260.

The product of its (nonzero) digits is 233280, while the sum is 42.

The spelling of 50163613638 in words is "fifty billion, one hundred sixty-three million, six hundred thirteen thousand, six hundred thirty-eight".