50561442432 has 768 divisors, whose sum is σ = 173153894400. Its totient is φ = 14476492800.

The previous prime is 50561442419. The next prime is 50561442487. The reversal of 50561442432 is 23424416505.

50561442432 is a `hidden beast` number, since 5 + 0 + 5 + 614 + 4 + 2 + 4 + 32 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 712132957 + ... + 712133027.

It is an arithmetic number, because the mean of its divisors is an integer number (225460800).

Almost surely, 2^50561442432 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 50561442432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86576947200).

50561442432 is an abundant number, since it is smaller than the sum of its proper divisors (122592451968).

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

50561442432 is a wasteful number, since it uses less digits than its factorization.

50561442432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 147 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 36.

Adding to 50561442432 its reverse (23424416505), we get a palindrome (73985858937).

The spelling of 50561442432 in words is "fifty billion, five hundred sixty-one million, four hundred forty-two thousand, four hundred thirty-two".