50690386 has 4 divisors (see below), whose sum is σ = 76035582. Its totient is φ = 25345192.

The previous prime is 50690383. The next prime is 50690389. The reversal of 50690386 is 68309605.

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

It is an interprime number because it is at equal distance from previous prime (50690383) and next prime (50690389).

It can be written as a sum of positive squares in only one way, i.e., 49914225 + 776161 = 7065^2 + 881^2 .

It is not an unprimeable number, because it can be changed into a prime (50690383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12672595 + ... + 12672598.

Almost surely, 2^50690386 is an apocalyptic number.

50690386 is a deficient number, since it is larger than the sum of its proper divisors (25345196).

50690386 is a wasteful number, since it uses less digits than its factorization.

50690386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25345195.

The product of its (nonzero) digits is 38880, while the sum is 37.

The square root of 50690386 is about 7119.7181123974. The cubic root of 50690386 is about 370.0910075622.

It can be divided in two parts, 50690 and 386, that added together give a square (51076 = 226²).

The spelling of 50690386 in words is "fifty million, six hundred ninety thousand, three hundred eighty-six".