50726686 has 4 divisors (see below), whose sum is σ = 76090032. Its totient is φ = 25363342.

The previous prime is 50726653. The next prime is 50726693. The reversal of 50726686 is 68662705.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12681670 + ... + 12681673.

It is an arithmetic number, because the mean of its divisors is an integer number (19022508).

Almost surely, 2^50726686 is an apocalyptic number.

50726686 is a deficient number, since it is larger than the sum of its proper divisors (25363346).

50726686 is a wasteful number, since it uses less digits than its factorization.

50726686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25363345.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 50726686 is about 7122.2669144030. The cubic root of 50726686 is about 370.1793287022.

The spelling of 50726686 in words is "fifty million, seven hundred twenty-six thousand, six hundred eighty-six".