50386731 has 4 divisors (see below), whose sum is σ = 67182312. Its totient is φ = 33591152.

The previous prime is 50386709. The next prime is 50386751. The reversal of 50386731 is 13768305.

It is a happy number.

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 50386731 - 2⁷ = 50386603 is a prime.

It is a super-2 number, since 2×50386731² = 5077645321732722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 50386692 and 50386701.

It is not an unprimeable number, because it can be changed into a prime (50386751) 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, 8397786 + ... + 8397791.

It is an arithmetic number, because the mean of its divisors is an integer number (16795578).

Almost surely, 2^50386731 is an apocalyptic number.

50386731 is a deficient number, since it is larger than the sum of its proper divisors (16795581).

50386731 is a wasteful number, since it uses less digits than its factorization.

50386731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16795580.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 50386731 is about 7098.3611488850. The cubic root of 50386731 is about 369.3505309589.

The spelling of 50386731 in words is "fifty million, three hundred eighty-six thousand, seven hundred thirty-one".