55561172284 has 24 divisors (see below), whose sum is σ = 102975113808. Its totient is φ = 26140458240.

The previous prime is 55561172281. The next prime is 55561172287. The reversal of 55561172284 is 48227116555.

It is an interprime number because it is at equal distance from previous prime (55561172281) and next prime (55561172287).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55561172281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 213714 + ... + 395974.

It is an arithmetic number, because the mean of its divisors is an integer number (4290629742).

Almost surely, 2^55561172284 is an apocalyptic number.

It is an amenable number.

55561172284 is a deficient number, since it is larger than the sum of its proper divisors (47413941524).

55561172284 is a wasteful number, since it uses less digits than its factorization.

55561172284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186765 (or 186763 counting only the distinct ones).

The product of its digits is 672000, while the sum is 46.

The spelling of 55561172284 in words is "fifty-five billion, five hundred sixty-one million, one hundred seventy-two thousand, two hundred eighty-four".