50531397 has 24 divisors (see below), whose sum is σ = 78867936. Its totient is φ = 28693728.

The previous prime is 50531389. The next prime is 50531401. The reversal of 50531397 is 79313505.

It is not a de Polignac number, because 50531397 - 2³ = 50531389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50531297) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 24438 + ... + 26424.

It is an arithmetic number, because the mean of its divisors is an integer number (3286164).

Almost surely, 2^50531397 is an apocalyptic number.

It is an amenable number.

50531397 is a deficient number, since it is larger than the sum of its proper divisors (28336539).

50531397 is a wasteful number, since it uses less digits than its factorization.

50531397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177 (or 2170 counting only the distinct ones).

The product of its (nonzero) digits is 14175, while the sum is 33.

The square root of 50531397 is about 7108.5439437342. The cubic root of 50531397 is about 369.7036755757.

The spelling of 50531397 in words is "fifty million, five hundred thirty-one thousand, three hundred ninety-seven".