50431402 has 8 divisors (see below), whose sum is σ = 86453856. Its totient is φ = 21613452.

The previous prime is 50431397. The next prime is 50431411. The reversal of 50431402 is 20413405.

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

It is a self number, because there is not a number n which added to its sum of digits gives 50431402.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1801108 + ... + 1801135.

It is an arithmetic number, because the mean of its divisors is an integer number (10806732).

Almost surely, 2^50431402 is an apocalyptic number.

50431402 is a deficient number, since it is larger than the sum of its proper divisors (36022454).

50431402 is a wasteful number, since it uses less digits than its factorization.

50431402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3602252.

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 50431402 is about 7101.5070231606. The cubic root of 50431402 is about 369.4596495288.

Adding to 50431402 its reverse (20413405), we get a palindrome (70844807).

The spelling of 50431402 in words is "fifty million, four hundred thirty-one thousand, four hundred two".