50510401505 has 4 divisors (see below), whose sum is σ = 60612481812. Its totient is φ = 40408321200.

The previous prime is 50510401427. The next prime is 50510401523.

50510401505 is nontrivially palindromic in base 10.

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 5117542369 + 45392859136 = 71537^2 + 213056^2 .

It is not a de Polignac number, because 50510401505 - 2¹⁰ = 50510400481 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, 5051040146 + ... + 5051040155.

It is an arithmetic number, because the mean of its divisors is an integer number (15153120453).

Almost surely, 2^50510401505 is an apocalyptic number.

It is an amenable number.

50510401505 is a deficient number, since it is larger than the sum of its proper divisors (10102080307).

50510401505 is a wasteful number, since it uses less digits than its factorization.

50510401505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10102080306.

The product of its (nonzero) digits is 2500, while the sum is 26.

The spelling of 50510401505 in words is "fifty billion, five hundred ten million, four hundred one thousand, five hundred five".