50605155005551 has 4 divisors (see below), whose sum is σ = 52350160350600. Its totient is φ = 48860149660504.

The previous prime is 50605155005539. The next prime is 50605155005557. The reversal of 50605155005551 is 15550055150605.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 50605155005551 - 2⁵ = 50605155005519 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50605155005498 and 50605155005507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50605155005557) 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, 872502672481 + ... + 872502672538.

It is an arithmetic number, because the mean of its divisors is an integer number (13087540087650).

Almost surely, 2^{50605155005551} is an apocalyptic number.

50605155005551 is a deficient number, since it is larger than the sum of its proper divisors (1745005345049).

50605155005551 is a wasteful number, since it uses less digits than its factorization.

50605155005551 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745005345048.

The product of its (nonzero) digits is 468750, while the sum is 43.

The spelling of 50605155005551 in words is "fifty trillion, six hundred five billion, one hundred fifty-five million, five thousand, five hundred fifty-one".