5045550001 has 2 divisors, whose sum is σ = 5045550002. Its totient is φ = 5045550000.

The previous prime is 5045549989. The next prime is 5045550047. The reversal of 5045550001 is 1000555405.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2772549025 + 2273000976 = 52655^2 + 47676^2 .

It is a cyclic number.

It is not a de Polignac number, because 5045550001 - 2¹¹ = 5045547953 is a prime.

It is a super-2 number, since 2×5045550001² = 50915149625182200002, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (5045550061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2522775000 + 2522775001.

It is an arithmetic number, because the mean of its divisors is an integer number (2522775001).

Almost surely, 2^5045550001 is an apocalyptic number.

It is an amenable number.

5045550001 is a deficient number, since it is larger than the sum of its proper divisors (1).

5045550001 is an equidigital number, since it uses as much as digits as its factorization.

5045550001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2500, while the sum is 25.

The square root of 5045550001 is about 71032.0350334974. The cubic root of 5045550001 is about 1715.1528847944.

The spelling of 5045550001 in words is "five billion, forty-five million, five hundred fifty thousand, one".