50051355644 has 12 divisors (see below), whose sum is σ = 92199865800. Its totient is φ = 23708536848.

The previous prime is 50051355637. The next prime is 50051355649. The reversal of 50051355644 is 44655315005.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 50051355598 and 50051355607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50051355649) 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, 329285159 + ... + 329285310.

It is an arithmetic number, because the mean of its divisors is an integer number (7683322150).

Almost surely, 2^50051355644 is an apocalyptic number.

It is an amenable number.

50051355644 is a deficient number, since it is larger than the sum of its proper divisors (42148510156).

50051355644 is a wasteful number, since it uses less digits than its factorization.

50051355644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658570492 (or 658570490 counting only the distinct ones).

The product of its (nonzero) digits is 180000, while the sum is 38.

The spelling of 50051355644 in words is "fifty billion, fifty-one million, three hundred fifty-five thousand, six hundred forty-four".