50089859701561 has 3 divisors (see below), whose sum is σ = 50089866778981. Its totient is φ = 50089852624142.

The previous prime is 50089859701537. The next prime is 50089859701627. The reversal of 50089859701561 is 16510795898005.

The square root of 50089859701561 is 7077419.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 50089859701561 - 2¹⁷ = 50089859570489 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 50089859701493 and 50089859701502.

It is not an unprimeable number, because it can be changed into a prime (50089859701501) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 3538710 + ... + 10616128.

Almost surely, 2^{50089859701561} is an apocalyptic number.

50089859701561 is the 7077419-th square number.

50089859701561 is the 3538710-th centered octagonal number.

It is an amenable number.

50089859701561 is a deficient number, since it is larger than the sum of its proper divisors (7077420).

50089859701561 is an frugal number, since it uses more digits than its factorization.

50089859701561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14154838 (or 7077419 counting only the distinct ones).

The product of its (nonzero) digits is 27216000, while the sum is 64.

The spelling of 50089859701561 in words is "fifty trillion, eighty-nine billion, eight hundred fifty-nine million, seven hundred one thousand, five hundred sixty-one".