50147856 has 160 divisors (see below), whose sum is σ = 160525440. Its totient is φ = 14860800.

The previous prime is 50147837. The next prime is 50147893. The reversal of 50147856 is 65874105.

It is a super-2 number, since 2×50147856² = 5029614922793472, which contains 22 as substring.

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

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

It is a self number, because there is not a number n which added to its sum of digits gives 50147856.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 289786 + ... + 289958.

It is an arithmetic number, because the mean of its divisors is an integer number (1003284).

Almost surely, 2^50147856 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 50147856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80262720).

50147856 is an abundant number, since it is smaller than the sum of its proper divisors (110377584).

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

50147856 is a wasteful number, since it uses less digits than its factorization.

50147856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262 (or 250 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 50147856 is about 7081.5150921254. The cubic root of 50147856 is about 368.7659299448.

The spelling of 50147856 in words is "fifty million, one hundred forty-seven thousand, eight hundred fifty-six".