50325138 has 40 divisors (see below), whose sum is σ = 113321340. Its totient is φ = 16692480.

The previous prime is 50325137. The next prime is 50325157. The reversal of 50325138 is 83152305.

50325138 is a `hidden beast` number, since 503 + 25 + 138 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 45927729 + 4397409 = 6777^2 + 2097^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (50325131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 38398 + ... + 39686.

Almost surely, 2^50325138 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50325138, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56660670).

50325138 is an abundant number, since it is smaller than the sum of its proper divisors (62996202).

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

50325138 is a wasteful number, since it uses less digits than its factorization.

50325138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1544 (or 1535 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 50325138 is about 7094.0212855615. The cubic root of 50325138 is about 369.1999709287.

The spelling of 50325138 in words is "fifty million, three hundred twenty-five thousand, one hundred thirty-eight".