49612457585 has 4 divisors (see below), whose sum is σ = 59534949108. Its totient is φ = 39689966064.

The previous prime is 49612457537. The next prime is 49612457591. The reversal of 49612457585 is 58575421694.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 58575421694 = 2 ⋅29287710847.

It can be written as a sum of positive squares in 2 ways, for example, as 31348827136 + 18263630449 = 177056^2 + 135143^2 .

It is a cyclic number.

It is not a de Polignac number, because 49612457585 - 2²⁴ = 49595680369 is a prime.

It is a super-2 number, since 2×49612457585² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 49612457585.

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, 4961245754 + ... + 4961245763.

It is an arithmetic number, because the mean of its divisors is an integer number (14883737277).

Almost surely, 2^49612457585 is an apocalyptic number.

It is an amenable number.

49612457585 is a deficient number, since it is larger than the sum of its proper divisors (9922491523).

49612457585 is an equidigital number, since it uses as much as digits as its factorization.

49612457585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9922491522.

The product of its digits is 12096000, while the sum is 56.

The spelling of 49612457585 in words is "forty-nine billion, six hundred twelve million, four hundred fifty-seven thousand, five hundred eighty-five".