50570138 has 16 divisors (see below), whose sum is σ = 82278504. Its totient is φ = 23216640.

The previous prime is 50570131. The next prime is 50570141. The reversal of 50570138 is 83107505.

It can be written as a sum of positive squares in 4 ways, for example, as 44582329 + 5987809 = 6677^2 + 2447^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 50570138.

It is not an unprimeable number, because it can be changed into a prime (50570131) 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, 16745 + ... + 19532.

Almost surely, 2^50570138 is an apocalyptic number.

50570138 is a deficient number, since it is larger than the sum of its proper divisors (31708366).

50570138 is a wasteful number, since it uses less digits than its factorization.

50570138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36337.

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 50570138 is about 7111.2683819414. The cubic root of 50570138 is about 369.7981319087.

The spelling of 50570138 in words is "fifty million, five hundred seventy thousand, one hundred thirty-eight".