55177540202 has 8 divisors (see below), whose sum is σ = 82792015812. Its totient is φ = 27580201600.

The previous prime is 55177540147. The next prime is 55177540217. The reversal of 55177540202 is 20204577155.

It is a Cunningham number, because it is equal to 234899²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 55177540201 + 1 = 234899^2 + 1^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4276199 + ... + 4289082.

Almost surely, 2^55177540202 is an apocalyptic number.

55177540202 is a deficient number, since it is larger than the sum of its proper divisors (27614475610).

55177540202 is a wasteful number, since it uses less digits than its factorization.

55177540202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8568504.

The product of its (nonzero) digits is 98000, while the sum is 38.

The spelling of 55177540202 in words is "fifty-five billion, one hundred seventy-seven million, five hundred forty thousand, two hundred two".