50508739 has 4 divisors (see below), whose sum is σ = 50541520. Its totient is φ = 50475960.

The previous prime is 50508697. The next prime is 50508763. The reversal of 50508739 is 93780505.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50508739 - 2¹³ = 50500547 is a prime.

It is a super-2 number, since 2×50508739² = 5102265430740242, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50508698 and 50508707.

It is not an unprimeable number, because it can be changed into a prime (50508769) 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, 13959 + ... + 17200.

It is an arithmetic number, because the mean of its divisors is an integer number (12635380).

Almost surely, 2^50508739 is an apocalyptic number.

50508739 is a deficient number, since it is larger than the sum of its proper divisors (32781).

50508739 is a wasteful number, since it uses less digits than its factorization.

50508739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32780.

The product of its (nonzero) digits is 37800, while the sum is 37.

The square root of 50508739 is about 7106.9500490717. The cubic root of 50508739 is about 369.6484096175.

The spelling of 50508739 in words is "fifty million, five hundred eight thousand, seven hundred thirty-nine".