50766421 has 8 divisors (see below), whose sum is σ = 52062264. Its totient is φ = 49483200.

The previous prime is 50766383. The next prime is 50766431. The reversal of 50766421 is 12466705.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10304100 + 40462321 = 3210^2 + 6361^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 50766421 - 2²⁵ = 17211989 is a prime.

It is a super-2 number, since 2×50766421² = 5154459002298482, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50766431) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 5271 + ... + 11371.

It is an arithmetic number, because the mean of its divisors is an integer number (6507783).

Almost surely, 2^50766421 is an apocalyptic number.

It is an amenable number.

50766421 is a deficient number, since it is larger than the sum of its proper divisors (1295843).

50766421 is a wasteful number, since it uses less digits than its factorization.

50766421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6311.

The product of its (nonzero) digits is 10080, while the sum is 31.

The square root of 50766421 is about 7125.0558594302. The cubic root of 50766421 is about 370.2759592126.

The spelling of 50766421 in words is "fifty million, seven hundred sixty-six thousand, four hundred twenty-one".