55809222448 has 40 divisors (see below), whose sum is σ = 123794889120. Its totient is φ = 23876175360.

The previous prime is 55809222437. The next prime is 55809222457. The reversal of 55809222448 is 84422290855.

It is a super-2 number, since 2×55809222448² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 374143 + ... + 501598.

It is an arithmetic number, because the mean of its divisors is an integer number (3094872228).

Almost surely, 2^55809222448 is an apocalyptic number.

It is an amenable number.

55809222448 is an abundant number, since it is smaller than the sum of its proper divisors (67985666672).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55809222448 is a wasteful number, since it uses less digits than its factorization.

55809222448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876325 (or 876319 counting only the distinct ones).

The product of its (nonzero) digits is 1843200, while the sum is 49.

The spelling of 55809222448 in words is "fifty-five billion, eight hundred nine million, two hundred twenty-two thousand, four hundred forty-eight".