50724280465 has 8 divisors (see below), whose sum is σ = 61020932328. Its totient is φ = 40478227200.

The previous prime is 50724280433. The next prime is 50724280469. The reversal of 50724280465 is 56408242705.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 21917025936 + 28807254529 = 148044^2 + 169727^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 50724280465 - 2⁵ = 50724280433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50724280469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12647442 + ... + 12651451.

It is an arithmetic number, because the mean of its divisors is an integer number (7627616541).

Almost surely, 2^50724280465 is an apocalyptic number.

It is an amenable number.

50724280465 is a deficient number, since it is larger than the sum of its proper divisors (10296651863).

50724280465 is a wasteful number, since it uses less digits than its factorization.

50724280465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25299299.

The product of its (nonzero) digits is 537600, while the sum is 43.

The spelling of 50724280465 in words is "fifty billion, seven hundred twenty-four million, two hundred eighty thousand, four hundred sixty-five".