50981952 has 84 divisors (see below), whose sum is σ = 156941520. Its totient is φ = 14563584.

The previous prime is 50981941. The next prime is 50981977. The reversal of 50981952 is 25918905.

It is a tau number, because it is divible by the number of its divisors (84).

It is a self number, because there is not a number n which added to its sum of digits gives 50981952.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6699 + ... + 12117.

Almost surely, 2^50981952 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 50981952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78470760).

50981952 is an abundant number, since it is smaller than the sum of its proper divisors (105959568).

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

50981952 is a wasteful number, since it uses less digits than its factorization.

50981952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5448 (or 5431 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 39.

The square root of 50981952 is about 7140.1647039827. The cubic root of 50981952 is about 370.7992268370.

The spelling of 50981952 in words is "fifty million, nine hundred eighty-one thousand, nine hundred fifty-two".