50531907 has 16 divisors (see below), whose sum is σ = 69500160. Its totient is φ = 32642400.

The previous prime is 50531881. The next prime is 50531911. The reversal of 50531907 is 70913505.

It is a happy number.

It is not a de Polignac number, because 50531907 - 2¹² = 50527811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50531917) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10557 + ... + 14577.

It is an arithmetic number, because the mean of its divisors is an integer number (4343760).

Almost surely, 2^50531907 is an apocalyptic number.

50531907 is a deficient number, since it is larger than the sum of its proper divisors (18968253).

50531907 is a wasteful number, since it uses less digits than its factorization.

50531907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4154.

The product of its (nonzero) digits is 4725, while the sum is 30.

The square root of 50531907 is about 7108.5798159689. The cubic root of 50531907 is about 369.7049193453.

The spelling of 50531907 in words is "fifty million, five hundred thirty-one thousand, nine hundred seven".