55201712277 has 4 divisors (see below), whose sum is σ = 73602283040. Its totient is φ = 36801141516.

The previous prime is 55201712257. The next prime is 55201712323. The reversal of 55201712277 is 77221710255.

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 not a de Polignac number, because 55201712277 - 2⁸ = 55201712021 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55201712257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9200285377 + ... + 9200285382.

It is an arithmetic number, because the mean of its divisors is an integer number (18400570760).

Almost surely, 2^55201712277 is an apocalyptic number.

It is an amenable number.

55201712277 is a deficient number, since it is larger than the sum of its proper divisors (18400570763).

55201712277 is a wasteful number, since it uses less digits than its factorization.

55201712277 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18400570762.

The product of its (nonzero) digits is 68600, while the sum is 39.

The spelling of 55201712277 in words is "fifty-five billion, two hundred one million, seven hundred twelve thousand, two hundred seventy-seven".