50640503402 has 8 divisors (see below), whose sum is σ = 75962067300. Its totient is φ = 25319814304.

The previous prime is 50640503383. The next prime is 50640503411. The reversal of 50640503402 is 20430504605.

It can be written as a sum of positive squares in 2 ways, for example, as 30589660201 + 20050843201 = 174899^2 + 141601^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47027 + ... + 321702.

Almost surely, 2^50640503402 is an apocalyptic number.

50640503402 is a deficient number, since it is larger than the sum of its proper divisors (25321563898).

50640503402 is a wasteful number, since it uses less digits than its factorization.

50640503402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437400.

The product of its (nonzero) digits is 14400, while the sum is 29.

The spelling of 50640503402 in words is "fifty billion, six hundred forty million, five hundred three thousand, four hundred two".