50005551004 has 12 divisors (see below), whose sum is σ = 88708477984. Its totient is φ = 24660271584.

The previous prime is 50005550981. The next prime is 50005551019. The reversal of 50005551004 is 40015550005.

It is a self number, because there is not a number n which added to its sum of digits gives 50005551004.

It is a congruent number.

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, 85625652 + ... + 85626235.

Almost surely, 2^50005551004 is an apocalyptic number.

It is an amenable number.

50005551004 is a deficient number, since it is larger than the sum of its proper divisors (38702926980).

50005551004 is a wasteful number, since it uses less digits than its factorization.

50005551004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171251964 (or 171251962 counting only the distinct ones).

The product of its (nonzero) digits is 2500, while the sum is 25.

Subtracting from 50005551004 its reverse (40015550005), we obtain a palindrome (9990000999).

The spelling of 50005551004 in words is "fifty billion, five million, five hundred fifty-one thousand, four".