50531617 has 4 divisors (see below), whose sum is σ = 50566320. Its totient is φ = 50496916.

The previous prime is 50531609. The next prime is 50531629. The reversal of 50531617 is 71613505.

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 50531617 - 2³ = 50531609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50531647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15067 + ... + 18112.

It is an arithmetic number, because the mean of its divisors is an integer number (12641580).

Almost surely, 2^50531617 is an apocalyptic number.

It is an amenable number.

50531617 is a deficient number, since it is larger than the sum of its proper divisors (34703).

50531617 is a wasteful number, since it uses less digits than its factorization.

50531617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34702.

The product of its (nonzero) digits is 3150, while the sum is 28.

The square root of 50531617 is about 7108.5594180537. The cubic root of 50531617 is about 369.7042121048.

It can be divided in two parts, 5053 and 1617, that added together give a triangular number (6670 = T₁₁₅).

The spelling of 50531617 in words is "fifty million, five hundred thirty-one thousand, six hundred seventeen".