50523145505 has 8 divisors (see below), whose sum is σ = 69288885312. Its totient is φ = 34644442608.

The previous prime is 50523145493. The next prime is 50523145549. The reversal of 50523145505 is 50554132505.

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 50523145505 - 2¹⁶ = 50523079969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 1443518443 = 50523145505 / (5 + 0 + 5 + 2 + 3 + 1 + 4 + 5 + 5 + 0 + 5).

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 721759187 + ... + 721759256.

It is an arithmetic number, because the mean of its divisors is an integer number (8661110664).

Almost surely, 2^50523145505 is an apocalyptic number.

It is an amenable number.

50523145505 is a deficient number, since it is larger than the sum of its proper divisors (18765739807).

50523145505 is a wasteful number, since it uses less digits than its factorization.

50523145505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1443518455.

The product of its (nonzero) digits is 75000, while the sum is 35.

The spelling of 50523145505 in words is "fifty billion, five hundred twenty-three million, one hundred forty-five thousand, five hundred five".