50917869 has 8 divisors (see below), whose sum is σ = 75433920. Its totient is φ = 33945228.

The previous prime is 50917861. The next prime is 50917871. The reversal of 50917869 is 96871905.

It is not a de Polignac number, because 50917869 - 2³ = 50917861 is a prime.

It is a super-2 number, since 2×50917869² = 5185258767002322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50917861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 942897 + ... + 942950.

It is an arithmetic number, because the mean of its divisors is an integer number (9429240).

Almost surely, 2^50917869 is an apocalyptic number.

It is an amenable number.

50917869 is a deficient number, since it is larger than the sum of its proper divisors (24516051).

50917869 is a wasteful number, since it uses less digits than its factorization.

50917869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1885856 (or 1885850 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 45.

The square root of 50917869 is about 7135.6757914020. The cubic root of 50917869 is about 370.6438000051.

The spelling of 50917869 in words is "fifty million, nine hundred seventeen thousand, eight hundred sixty-nine".