50555061509 has 8 divisors (see below), whose sum is σ = 53226051840. Its totient is φ = 47885090976.

The previous prime is 50555061503. The next prime is 50555061539. The reversal of 50555061509 is 90516055505.

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 50555061509 - 2⁴ = 50555061493 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50555061503) 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, 152117 + ... + 352490.

It is an arithmetic number, because the mean of its divisors is an integer number (6653256480).

Almost surely, 2^50555061509 is an apocalyptic number.

It is an amenable number.

50555061509 is a deficient number, since it is larger than the sum of its proper divisors (2670990331).

50555061509 is a wasteful number, since it uses less digits than its factorization.

50555061509 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509899.

The product of its (nonzero) digits is 168750, while the sum is 41.

The spelling of 50555061509 in words is "fifty billion, five hundred fifty-five million, sixty-one thousand, five hundred nine".