50143513545 has 48 divisors (see below), whose sum is σ = 90170496000. Its totient is φ = 25750327680.

The previous prime is 50143513447. The next prime is 50143513547. The reversal of 50143513545 is 54531534105.

50143513545 is a `hidden beast` number, since 50 + 1 + 43 + 513 + 54 + 5 = 666.

It is not a de Polignac number, because 50143513545 - 2⁸ = 50143513289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50143513547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 187291 + ... + 367919.

It is an arithmetic number, because the mean of its divisors is an integer number (1878552000).

Almost surely, 2^50143513545 is an apocalyptic number.

It is an amenable number.

50143513545 is a deficient number, since it is larger than the sum of its proper divisors (40026982455).

50143513545 is a wasteful number, since it uses less digits than its factorization.

50143513545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 180870 (or 180867 counting only the distinct ones).

The product of its (nonzero) digits is 90000, while the sum is 36.

The spelling of 50143513545 in words is "fifty billion, one hundred forty-three million, five hundred thirteen thousand, five hundred forty-five".