50509472 has 48 divisors (see below), whose sum is σ = 111767040. Its totient is φ = 22294272.

The previous prime is 50509463. The next prime is 50509493. The reversal of 50509472 is 27490505.

It is a Harshad number since it is a multiple of its sum of digits (32).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6929 + ... + 12207.

It is an arithmetic number, because the mean of its divisors is an integer number (2328480).

Almost surely, 2^50509472 is an apocalyptic number.

50509472 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50509472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55883520).

50509472 is an abundant number, since it is smaller than the sum of its proper divisors (61257568).

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

50509472 is a wasteful number, since it uses less digits than its factorization.

50509472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5325 (or 5317 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 50509472 is about 7107.0016181228. The cubic root of 50509472 is about 369.6501977634.

Adding to 50509472 its reverse (27490505), we get a palindrome (77999977).

The spelling of 50509472 in words is "fifty million, five hundred nine thousand, four hundred seventy-two".