50564138 has 8 divisors (see below), whose sum is σ = 75888900. Its totient is φ = 25267840.

The previous prime is 50564123. The next prime is 50564147. The reversal of 50564138 is 83146505.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 47018449 + 3545689 = 6857^2 + 1883^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1913 + ... + 10236.

Almost surely, 2^50564138 is an apocalyptic number.

50564138 is a deficient number, since it is larger than the sum of its proper divisors (25324762).

50564138 is a wasteful number, since it uses less digits than its factorization.

50564138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14232.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 50564138 is about 7110.8465037575. The cubic root of 50564138 is about 369.7835061722.

The spelling of 50564138 in words is "fifty million, five hundred sixty-four thousand, one hundred thirty-eight".