50145732 has 72 divisors (see below), whose sum is σ = 156019136. Its totient is φ = 13224384.

The previous prime is 50145709. The next prime is 50145737. The reversal of 50145732 is 23754105.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 50145696 and 50145705.

It is not an unprimeable number, because it can be changed into a prime (50145737) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4378 + ... + 10929.

Almost surely, 2^50145732 is an apocalyptic number.

50145732 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50145732 is an abundant number, since it is smaller than the sum of its proper divisors (105873404).

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

50145732 is a wasteful number, since it uses less digits than its factorization.

50145732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15337 (or 15332 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 50145732 is about 7081.3651226300. The cubic root of 50145732 is about 368.7607235414.

Adding to 50145732 its reverse (23754105), we get a palindrome (73899837).

The spelling of 50145732 in words is "fifty million, one hundred forty-five thousand, seven hundred thirty-two".