250638886055 has 4 divisors (see below), whose sum is σ = 300766663272. Its totient is φ = 200511108840.

The previous prime is 250638886037. The next prime is 250638886073. The reversal of 250638886055 is 550688836052.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (250638886037) and next prime (250638886073).

It is not a de Polignac number, because 250638886055 - 2⁸ = 250638885799 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 25063888601 + ... + 25063888610.

It is an arithmetic number, because the mean of its divisors is an integer number (75191665818).

Almost surely, 2^250638886055 is an apocalyptic number.

250638886055 is a deficient number, since it is larger than the sum of its proper divisors (50127777217).

250638886055 is an equidigital number, since it uses as much as digits as its factorization.

250638886055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50127777216.

The product of its (nonzero) digits is 13824000, while the sum is 56.

The spelling of 250638886055 in words is "two hundred fifty billion, six hundred thirty-eight million, eight hundred eighty-six thousand, fifty-five".