50315418 has 80 divisors (see below), whose sum is σ = 119598336. Its totient is φ = 15785280.

The previous prime is 50315417. The next prime is 50315429. The reversal of 50315418 is 81451305.

50315418 is a `hidden beast` number, since 503 + 154 + 1 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 50315391 and 50315400.

It is not an unprimeable number, because it can be changed into a prime (50315413) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 215830 + ... + 216062.

Almost surely, 2^50315418 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50315418, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59799168).

50315418 is an abundant number, since it is smaller than the sum of its proper divisors (69282918).

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

50315418 is a wasteful number, since it uses less digits than its factorization.

50315418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321 (or 312 counting only the distinct ones).

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

The square root of 50315418 is about 7093.3361685458. The cubic root of 50315418 is about 369.1761998081.

The spelling of 50315418 in words is "fifty million, three hundred fifteen thousand, four hundred eighteen".