55001054201 has 4 divisors (see below), whose sum is σ = 55065233652. Its totient is φ = 54936874752.

The previous prime is 55001054183. The next prime is 55001054203. The reversal of 55001054201 is 10245010055.

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 26682895801 + 28318158400 = 163349^2 + 168280^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55001054201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55001054203) 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, 32088440 + ... + 32090153.

It is an arithmetic number, because the mean of its divisors is an integer number (13766308413).

Almost surely, 2^55001054201 is an apocalyptic number.

It is an amenable number.

55001054201 is a deficient number, since it is larger than the sum of its proper divisors (64179451).

55001054201 is an equidigital number, since it uses as much as digits as its factorization.

55001054201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64179450.

The product of its (nonzero) digits is 1000, while the sum is 23.

Adding to 55001054201 its reverse (10245010055), we get a palindrome (65246064256).

The spelling of 55001054201 in words is "fifty-five billion, one million, fifty-four thousand, two hundred one".