50974138 has 8 divisors (see below), whose sum is σ = 77019732. Its totient is φ = 25300896.

The previous prime is 50974103. The next prime is 50974139. The reversal of 50974138 is 83147905.

It can be written as a sum of positive squares in 2 ways, for example, as 49801249 + 1172889 = 7057^2 + 1083^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 50974097 and 50974106.

It is not an unprimeable number, because it can be changed into a prime (50974139) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 92745 + ... + 93292.

Almost surely, 2^50974138 is an apocalyptic number.

50974138 is a deficient number, since it is larger than the sum of its proper divisors (26045594).

50974138 is a wasteful number, since it uses less digits than its factorization.

50974138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186176.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 50974138 is about 7139.6174967571. The cubic root of 50974138 is about 370.7802817457.

It can be divided in two parts, 509 and 74138, that added together give a palindrome (74647).

The spelling of 50974138 in words is "fifty million, nine hundred seventy-four thousand, one hundred thirty-eight".