50509056 has 72 divisors (see below), whose sum is σ = 144796960. Its totient is φ = 15538176.

The previous prime is 50509001. The next prime is 50509073. The reversal of 50509056 is 65090505.

It is a happy number.

It is a super-2 number, since 2×50509056² = 5102329476022272, which contains 22 as substring.

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, 7455 + ... + 12513.

Almost surely, 2^50509056 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 50509056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72398480).

50509056 is an abundant number, since it is smaller than the sum of its proper divisors (94287904).

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

50509056 is a wasteful number, since it uses less digits than its factorization.

50509056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5091 (or 5077 counting only the distinct ones).

The product of its (nonzero) digits is 6750, while the sum is 30.

The square root of 50509056 is about 7106.9723511493. The cubic root of 50509056 is about 369.6491829379.

The spelling of 50509056 in words is "fifty million, five hundred nine thousand, fifty-six".