50649732 has 144 divisors (see below), whose sum is σ = 162025920. Its totient is φ = 13595904.

The previous prime is 50649721. The next prime is 50649733. The reversal of 50649732 is 23794605.

50649732 is a `hidden beast` number, since 5 + 0 + 649 + 7 + 3 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (50649733) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 89683 + ... + 90245.

It is an arithmetic number, because the mean of its divisors is an integer number (1125180).

Almost surely, 2^50649732 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 50649732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81012960).

50649732 is an abundant number, since it is smaller than the sum of its proper divisors (111376188).

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

50649732 is a wasteful number, since it uses less digits than its factorization.

50649732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 607 (or 592 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 36.

The square root of 50649732 is about 7116.8625109665. The cubic root of 50649732 is about 369.9920426825.

The spelling of 50649732 in words is "fifty million, six hundred forty-nine thousand, seven hundred thirty-two".