50512215 has 32 divisors (see below), whose sum is σ = 89401536. Its totient is φ = 24192000.

The previous prime is 50512211. The next prime is 50512249. The reversal of 50512215 is 51221505.

It is not a de Polignac number, because 50512215 - 2² = 50512211 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 50512191 and 50512200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50512211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3715 + ... + 10715.

It is an arithmetic number, because the mean of its divisors is an integer number (2793798).

Almost surely, 2^50512215 is an apocalyptic number.

50512215 is a deficient number, since it is larger than the sum of its proper divisors (38889321).

50512215 is a wasteful number, since it uses less digits than its factorization.

50512215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7059.

The product of its (nonzero) digits is 500, while the sum is 21.

The square root of 50512215 is about 7107.1945942123. The cubic root of 50512215 is about 369.6568891297.

It can be divided in two parts, 505 and 12215, that added together give a triangular number (12720 = T₁₅₉).

The spelling of 50512215 in words is "fifty million, five hundred twelve thousand, two hundred fifteen".