50520331 has 4 divisors (see below), whose sum is σ = 50540872. Its totient is φ = 50499792.

The previous prime is 50520319. The next prime is 50520341. The reversal of 50520331 is 13302505.

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 50520331 - 2⁵ = 50520299 is a prime.

It is a super-2 number, since 2×50520331² = 5104607688699122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50520299 and 50520308.

It is not an unprimeable number, because it can be changed into a prime (50520341) 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, 5985 + ... + 11698.

It is an arithmetic number, because the mean of its divisors is an integer number (12635218).

Almost surely, 2^50520331 is an apocalyptic number.

50520331 is a deficient number, since it is larger than the sum of its proper divisors (20541).

50520331 is a wasteful number, since it uses less digits than its factorization.

50520331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20540.

The product of its (nonzero) digits is 450, while the sum is 19.

The square root of 50520331 is about 7107.7655419970. The cubic root of 50520331 is about 369.6766861540.

Adding to 50520331 its reverse (13302505), we get a palindrome (63822836).

The spelling of 50520331 in words is "fifty million, five hundred twenty thousand, three hundred thirty-one".