50510066465 has 4 divisors (see below), whose sum is σ = 60612079764. Its totient is φ = 40408053168.

The previous prime is 50510066459. The next prime is 50510066483. The reversal of 50510066465 is 56466001505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31119782464 + 19390284001 = 176408^2 + 139249^2 .

It is a cyclic number.

It is not a de Polignac number, because 50510066465 - 2¹⁶ = 50510000929 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5051006642 + ... + 5051006651.

It is an arithmetic number, because the mean of its divisors is an integer number (15153019941).

Almost surely, 2^50510066465 is an apocalyptic number.

It is an amenable number.

50510066465 is a deficient number, since it is larger than the sum of its proper divisors (10102013299).

50510066465 is a wasteful number, since it uses less digits than its factorization.

50510066465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10102013298.

The product of its (nonzero) digits is 108000, while the sum is 38.

The spelling of 50510066465 in words is "fifty billion, five hundred ten million, sixty-six thousand, four hundred sixty-five".