50561632 has 36 divisors (see below), whose sum is σ = 108879876. Its totient is φ = 22921920.

The previous prime is 50561627. The next prime is 50561633. The reversal of 50561632 is 23616505.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 50561632.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50561633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133219 + ... + 133597.

It is an arithmetic number, because the mean of its divisors is an integer number (3024441).

Almost surely, 2^50561632 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 50561632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54439938).

50561632 is an abundant number, since it is smaller than the sum of its proper divisors (58318244).

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

50561632 is an equidigital number, since it uses as much as digits as its factorization.

50561632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 779 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 50561632 is about 7110.6702918923. The cubic root of 50561632 is about 369.7773971470. Note that the first 3 decimals are identical.

The spelling of 50561632 in words is "fifty million, five hundred sixty-one thousand, six hundred thirty-two".