250055503057 has 4 divisors (see below), whose sum is σ = 250063513956. Its totient is φ = 250047492160.

The previous prime is 250055503013. The next prime is 250055503067. The reversal of 250055503057 is 750305550052.

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 152237310976 + 97818192081 = 390176^2 + 312759^2 .

It is a cyclic number.

It is not a de Polignac number, because 250055503057 - 2⁷ = 250055502929 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (250055503067) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3958444 + ... + 4021117.

It is an arithmetic number, because the mean of its divisors is an integer number (62515878489).

Almost surely, 2^250055503057 is an apocalyptic number.

It is an amenable number.

250055503057 is a deficient number, since it is larger than the sum of its proper divisors (8010899).

250055503057 is an equidigital number, since it uses as much as digits as its factorization.

250055503057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8010898.

The product of its (nonzero) digits is 131250, while the sum is 37.

The spelling of 250055503057 in words is "two hundred fifty billion, fifty-five million, five hundred three thousand, fifty-seven".