50610005618 has 8 divisors (see below), whose sum is σ = 80380597212. Its totient is φ = 23816473216.

The previous prime is 50610005609. The next prime is 50610005623. The reversal of 50610005618 is 81650001605.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 49665242449 + 944763169 = 222857^2 + 30737^2 .

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

It is a super-2 number, since 2×50610005618² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 744264755 + ... + 744264822.

Almost surely, 2^50610005618 is an apocalyptic number.

50610005618 is a deficient number, since it is larger than the sum of its proper divisors (29770591594).

50610005618 is a wasteful number, since it uses less digits than its factorization.

50610005618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1488529596.

The product of its (nonzero) digits is 7200, while the sum is 32.

The spelling of 50610005618 in words is "fifty billion, six hundred ten million, five thousand, six hundred eighteen".