55050505001 has 4 divisors (see below), whose sum is σ = 55109257812. Its totient is φ = 54991752192.

The previous prime is 55050504979. The next prime is 55050505021. The reversal of 55050505001 is 10050505055.

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 21286810000 + 33763695001 = 145900^2 + 183749^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55050505001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55050505021) 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, 29375000 + ... + 29376873.

It is an arithmetic number, because the mean of its divisors is an integer number (13777314453).

Almost surely, 2^55050505001 is an apocalyptic number.

It is an amenable number.

55050505001 is a deficient number, since it is larger than the sum of its proper divisors (58752811).

55050505001 is an equidigital number, since it uses as much as digits as its factorization.

55050505001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58752810.

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 55050505001 in words is "fifty-five billion, fifty million, five hundred five thousand, one".