50402669 has 4 divisors (see below), whose sum is σ = 50423520. Its totient is φ = 50381820.

The previous prime is 50402593. The next prime is 50402701. The reversal of 50402669 is 96620405.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 50402669 - 2⁸ = 50402413 is a prime.

It is a super-2 number, since 2×50402669² = 5080858084647122, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50002669) 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 3 ways as a sum of consecutive naturals, for example, 6239 + ... + 11820.

It is an arithmetic number, because the mean of its divisors is an integer number (12605880).

Almost surely, 2^50402669 is an apocalyptic number.

It is an amenable number.

50402669 is a deficient number, since it is larger than the sum of its proper divisors (20851).

50402669 is a wasteful number, since it uses less digits than its factorization.

50402669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20850.

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 50402669 is about 7099.4837136231. The cubic root of 50402669 is about 369.3894703653.

The spelling of 50402669 in words is "fifty million, four hundred two thousand, six hundred sixty-nine".