50571136 has 96 divisors (see below), whose sum is σ = 128024280. Its totient is φ = 19676160.

The previous prime is 50571121. The next prime is 50571149. The reversal of 50571136 is 63117505.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 68626 + ... + 69358.

Almost surely, 2^50571136 is an apocalyptic number.

50571136 is a gapful number since it is divisible by the number (56) 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 50571136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64012140).

50571136 is an abundant number, since it is smaller than the sum of its proper divisors (77453144).

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

50571136 is a wasteful number, since it uses less digits than its factorization.

50571136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 772 (or 753 counting only the distinct ones).

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 50571136 is about 7111.3385519183. The cubic root of 50571136 is about 369.8005645440.

The spelling of 50571136 in words is "fifty million, five hundred seventy-one thousand, one hundred thirty-six".