55358585278 has 8 divisors (see below), whose sum is σ = 83566782072. Its totient is φ = 27502991256.

The previous prime is 55358585213. The next prime is 55358585291. The reversal of 55358585278 is 87258585355.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 88150300 + ... + 88150927.

It is an arithmetic number, because the mean of its divisors is an integer number (10445847759).

Almost surely, 2^55358585278 is an apocalyptic number.

55358585278 is a deficient number, since it is larger than the sum of its proper divisors (28208196794).

55358585278 is a wasteful number, since it uses less digits than its factorization.

55358585278 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176301386.

The product of its digits is 67200000, while the sum is 61.

The spelling of 55358585278 in words is "fifty-five billion, three hundred fifty-eight million, five hundred eighty-five thousand, two hundred seventy-eight".