50513418 has 24 divisors (see below), whose sum is σ = 113220900. Its totient is φ = 16257024.

The previous prime is 50513417. The next prime is 50513423. The reversal of 50513418 is 81431505.

It can be written as a sum of positive squares in 2 ways, for example, as 50509449 + 3969 = 7107^2 + 63^2 .

It is a junction number, because it is equal to n+sod(n) for n = 50513391 and 50513400.

It is not an unprimeable number, because it can be changed into a prime (50513413) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47863 + ... + 48906.

Almost surely, 2^50513418 is an apocalyptic number.

50513418 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

50513418 is an abundant number, since it is smaller than the sum of its proper divisors (62707482).

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

50513418 is a wasteful number, since it uses less digits than its factorization.

50513418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96806 (or 96803 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 50513418 is about 7107.2792262581. The cubic root of 50513418 is about 369.6598236919.

The spelling of 50513418 in words is "fifty million, five hundred thirteen thousand, four hundred eighteen".