50027150557 has 4 divisors (see below), whose sum is σ = 50303543836. Its totient is φ = 49750757280.

The previous prime is 50027150497. The next prime is 50027150561. The reversal of 50027150557 is 75505172005.

It is a happy number.

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 27073082521 + 22954068036 = 164539^2 + 151506^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50027150557 is a prime.

It is the 223668-th Hogben number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50027150567) by changing a digit.

It is a nontrivial repunit in base 223667.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138196368 + ... + 138196729.

It is an arithmetic number, because the mean of its divisors is an integer number (12575885959).

Almost surely, 2^50027150557 is an apocalyptic number.

It is an amenable number.

50027150557 is a deficient number, since it is larger than the sum of its proper divisors (276393279).

50027150557 is a wasteful number, since it uses less digits than its factorization.

50027150557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276393278.

The product of its (nonzero) digits is 61250, while the sum is 37.

The spelling of 50027150557 in words is "fifty billion, twenty-seven million, one hundred fifty thousand, five hundred fifty-seven".