55201175261 has 4 divisors (see below), whose sum is σ = 55236952032. Its totient is φ = 55165398492.

The previous prime is 55201175177. The next prime is 55201175333. The reversal of 55201175261 is 16257110255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55201175261 - 2¹⁴ = 55201158877 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55201175761) 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, 17886071 + ... + 17889156.

It is an arithmetic number, because the mean of its divisors is an integer number (13809238008).

Almost surely, 2^55201175261 is an apocalyptic number.

It is an amenable number.

55201175261 is a deficient number, since it is larger than the sum of its proper divisors (35776771).

55201175261 is a wasteful number, since it uses less digits than its factorization.

55201175261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35776770.

The product of its (nonzero) digits is 21000, while the sum is 35.

The spelling of 55201175261 in words is "fifty-five billion, two hundred one million, one hundred seventy-five thousand, two hundred sixty-one".