50647881 has 8 divisors (see below), whose sum is σ = 68186560. Its totient is φ = 33437232.

The previous prime is 50647867. The next prime is 50647897. The reversal of 50647881 is 18874605.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50647881 - 2¹³ = 50639689 is a prime.

It is a super-2 number, since 2×50647881² = 5130415699580322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50647801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81646 + ... + 82263.

It is an arithmetic number, because the mean of its divisors is an integer number (8523320).

Almost surely, 2^50647881 is an apocalyptic number.

It is an amenable number.

50647881 is a deficient number, since it is larger than the sum of its proper divisors (17538679).

50647881 is a wasteful number, since it uses less digits than its factorization.

50647881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164015.

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 50647881 is about 7116.7324665186. The cubic root of 50647881 is about 369.9875354944.

The spelling of 50647881 in words is "fifty million, six hundred forty-seven thousand, eight hundred eighty-one".