50642665003 has 16 divisors (see below), whose sum is σ = 58903819200. Its totient is φ = 42640012800.

The previous prime is 50642664911. The next prime is 50642665009. The reversal of 50642665003 is 30056624605.

It is not a de Polignac number, because 50642665003 - 2²⁵ = 50609110571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50642665009) 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, 247023 + ... + 402871.

It is an arithmetic number, because the mean of its divisors is an integer number (3681488700).

Almost surely, 2^50642665003 is an apocalyptic number.

50642665003 is a deficient number, since it is larger than the sum of its proper divisors (8261154197).

50642665003 is a wasteful number, since it uses less digits than its factorization.

50642665003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156678.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 50642665003 in words is "fifty billion, six hundred forty-two million, six hundred sixty-five thousand, three".