50505732 has 18 divisors (see below), whose sum is σ = 127667358. Its totient is φ = 16835232.

The previous prime is 50505701. The next prime is 50505737. The reversal of 50505732 is 23750505.

It can be written as a sum of positive squares in only one way, i.e., 44275716 + 6230016 = 6654^2 + 2496^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 50505696 and 50505705.

It is not an unprimeable number, because it can be changed into a prime (50505737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 701433 + ... + 701504.

It is an arithmetic number, because the mean of its divisors is an integer number (7092631).

Almost surely, 2^50505732 is an apocalyptic number.

It is an amenable number.

50505732 is an abundant number, since it is smaller than the sum of its proper divisors (77161626).

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

50505732 is a wasteful number, since it uses less digits than its factorization.

50505732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1402947 (or 1402942 counting only the distinct ones).

The product of its (nonzero) digits is 5250, while the sum is 27.

The square root of 50505732 is about 7106.7384924450. The cubic root of 50505732 is about 369.6410738914.

The spelling of 50505732 in words is "fifty million, five hundred five thousand, seven hundred thirty-two".