55818122253 has 8 divisors (see below), whose sum is σ = 74434036416. Its totient is φ = 37207144800.

The previous prime is 55818122249. The next prime is 55818122279. The reversal of 55818122253 is 35222181855.

It is a happy number.

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

It is not a de Polignac number, because 55818122253 - 2² = 55818122249 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55818222253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 1207713 + ... + 1253078.

It is an arithmetic number, because the mean of its divisors is an integer number (9304254552).

Almost surely, 2^55818122253 is an apocalyptic number.

It is an amenable number.

55818122253 is a deficient number, since it is larger than the sum of its proper divisors (18615914163).

55818122253 is a wasteful number, since it uses less digits than its factorization.

55818122253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468355.

The product of its digits is 192000, while the sum is 42.

The spelling of 55818122253 in words is "fifty-five billion, eight hundred eighteen million, one hundred twenty-two thousand, two hundred fifty-three".