50694869 has 10 divisors (see below), whose sum is σ = 53648790. Its totient is φ = 47903256.

The previous prime is 50694841. The next prime is 50694881. The reversal of 50694869 is 96849605.

It can be written as a sum of positive squares in only one way, i.e., 37662769 + 13032100 = 6137^2 + 3610^2 .

It is not a de Polignac number, because 50694869 - 2²⁰ = 49646293 is a prime.

It is a super-2 number, since 2×50694869² = 5139939485854322, 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 (50694569) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 130127 + ... + 130515.

It is an arithmetic number, because the mean of its divisors is an integer number (5364879).

Almost surely, 2^50694869 is an apocalyptic number.

It is an amenable number.

50694869 is a deficient number, since it is larger than the sum of its proper divisors (2953921).

50694869 is an frugal number, since it uses more digits than its factorization.

50694869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465 (or 408 counting only the distinct ones).

The product of its (nonzero) digits is 466560, while the sum is 47.

The square root of 50694869 is about 7120.0329353171. The cubic root of 50694869 is about 370.1019173830.

The spelling of 50694869 in words is "fifty million, six hundred ninety-four thousand, eight hundred sixty-nine".