50520919 has 4 divisors (see below), whose sum is σ = 50539896. Its totient is φ = 50501944.

The previous prime is 50520913. The next prime is 50520959. The reversal of 50520919 is 91902505.

50520919 = T₅₈₀₂ + T₅₈₀₃ + T₅₈₀₄.

50520919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50520919 - 2⁵ = 50520887 is a prime.

It is a super-2 number, since 2×50520919² = 5104726513209122, which contains 22 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50520913) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4684 + ... + 11089.

It is an arithmetic number, because the mean of its divisors is an integer number (12634974).

Almost surely, 2^50520919 is an apocalyptic number.

50520919 is the 5804-th centered triangular number.

50520919 is a deficient number, since it is larger than the sum of its proper divisors (18977).

50520919 is a wasteful number, since it uses less digits than its factorization.

50520919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18976.

The product of its (nonzero) digits is 4050, while the sum is 31.

The square root of 50520919 is about 7107.8069050868. The cubic root of 50520919 is about 369.6781203558.

The spelling of 50520919 in words is "fifty million, five hundred twenty thousand, nine hundred nineteen".