50101551561 has 8 divisors (see below), whose sum is σ = 69105588480. Its totient is φ = 32249274512.

The previous prime is 50101551559. The next prime is 50101551569. The reversal of 50101551561 is 16515510105.

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 50101551561 - 2¹ = 50101551559 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (50101551569) 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, 287939865 + ... + 287940038.

It is an arithmetic number, because the mean of its divisors is an integer number (8638198560).

Almost surely, 2^50101551561 is an apocalyptic number.

It is an amenable number.

50101551561 is a deficient number, since it is larger than the sum of its proper divisors (19004036919).

50101551561 is a wasteful number, since it uses less digits than its factorization.

50101551561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 575879935.

The product of its (nonzero) digits is 3750, while the sum is 30.

The spelling of 50101551561 in words is "fifty billion, one hundred one million, five hundred fifty-one thousand, five hundred sixty-one".