50479881 has 4 divisors (see below), whose sum is σ = 67306512. Its totient is φ = 33653252.

The previous prime is 50479861. The next prime is 50479883. The reversal of 50479881 is 18897405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50479881 - 2¹⁵ = 50447113 is a prime.

It is a super-2 number, since 2×50479881² = 5096436771548322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50479883) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8413311 + ... + 8413316.

It is an arithmetic number, because the mean of its divisors is an integer number (16826628).

Almost surely, 2^50479881 is an apocalyptic number.

It is an amenable number.

50479881 is a deficient number, since it is larger than the sum of its proper divisors (16826631).

50479881 is a wasteful number, since it uses less digits than its factorization.

50479881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16826630.

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 50479881 is about 7104.9194928585. The cubic root of 50479881 is about 369.5779970761.

It can be divided in two parts, 50479 and 881, that added together give a triangular number (51360 = T₃₂₀).

The spelling of 50479881 in words is "fifty million, four hundred seventy-nine thousand, eight hundred eighty-one".