50919145555 has 8 divisors (see below), whose sum is σ = 61674031152. Its totient is φ = 40354612128.

The previous prime is 50919145553. The next prime is 50919145561. The reversal of 50919145555 is 55554191905.

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

It is a cyclic number.

It is not a de Polignac number, because 50919145555 - 2¹ = 50919145553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50919145499 and 50919145508.

It is not an unprimeable number, because it can be changed into a prime (50919145553) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47587452 + ... + 47588521.

It is an arithmetic number, because the mean of its divisors is an integer number (7709253894).

Almost surely, 2^50919145555 is an apocalyptic number.

50919145555 is a deficient number, since it is larger than the sum of its proper divisors (10754885597).

50919145555 is a wasteful number, since it uses less digits than its factorization.

50919145555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95176085.

The product of its (nonzero) digits is 1012500, while the sum is 49.

The spelling of 50919145555 in words is "fifty billion, nine hundred nineteen million, one hundred forty-five thousand, five hundred fifty-five".