50431906 has 8 divisors (see below), whose sum is σ = 86454720. Its totient is φ = 21613668.

The previous prime is 50431897. The next prime is 50431907. The reversal of 50431906 is 60913405.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (50431907) 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, 1801126 + ... + 1801153.

It is an arithmetic number, because the mean of its divisors is an integer number (10806840).

Almost surely, 2^50431906 is an apocalyptic number.

50431906 is a deficient number, since it is larger than the sum of its proper divisors (36022814).

50431906 is a wasteful number, since it uses less digits than its factorization.

50431906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602288.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 50431906 is about 7101.5425084977. The cubic root of 50431906 is about 369.4608802901.

The spelling of 50431906 in words is "fifty million, four hundred thirty-one thousand, nine hundred six".