50415 has 8 divisors (see below), whose sum is σ = 80688. Its totient is φ = 26880.

The previous prime is 50411. The next prime is 50417. The reversal of 50415 is 51405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50415 - 2² = 50411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (15), and also a Moran number because the ratio is a prime number: 3361 = 50415 / (5 + 0 + 4 + 1 + 5).

50415 is a lucky number.

It is a nialpdrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 50394 and 50403.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 50415.

It is not an unprimeable number, because it can be changed into a prime (50411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1666 + ... + 1695.

It is an arithmetic number, because the mean of its divisors is an integer number (10086).

2⁵⁰⁴¹⁵ is an apocalyptic number.

50415 is a deficient number, since it is larger than the sum of its proper divisors (30273).

50415 is a wasteful number, since it uses less digits than its factorization.

50415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3369.

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 50415 is about 224.5328483764. The cubic root of 50415 is about 36.9419591589.

Subtracting 50415 from its reverse (51405), we obtain a triangular number (990 = T₄₄).

It can be divided in two parts, 50 and 415, that added together give a triangular number (465 = T₃₀).

The spelling of 50415 in words is "fifty thousand, four hundred fifteen".