50615538 has 16 divisors (see below), whose sum is σ = 101303136. Its totient is φ = 16859840.

The previous prime is 50615533. The next prime is 50615549. The reversal of 50615538 is 83551605.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50615499 and 50615508.

It is not an unprimeable number, because it can be changed into a prime (50615531) 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 7 ways as a sum of consecutive naturals, for example, 11578 + ... + 15338.

It is an arithmetic number, because the mean of its divisors is an integer number (6331446).

Almost surely, 2^50615538 is an apocalyptic number.

50615538 is an abundant number, since it is smaller than the sum of its proper divisors (50687598).

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

50615538 is a wasteful number, since it uses less digits than its factorization.

50615538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6009.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 50615538 is about 7114.4597827242. The cubic root of 50615538 is about 369.9087625050.

The spelling of 50615538 in words is "fifty million, six hundred fifteen thousand, five hundred thirty-eight".