55195843472 has 40 divisors (see below), whose sum is σ = 133330222272. Its totient is φ = 21504873600.

The previous prime is 55195843369. The next prime is 55195843501. The reversal of 55195843472 is 27434859155.

It is a super-2 number, since 2×55195843472² (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, 22399679 + ... + 22402142.

Almost surely, 2^55195843472 is an apocalyptic number.

It is an amenable number.

55195843472 is an abundant number, since it is smaller than the sum of its proper divisors (78134378800).

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

55195843472 is a wasteful number, since it uses less digits than its factorization.

55195843472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44801847 (or 44801841 counting only the distinct ones).

The product of its digits is 6048000, while the sum is 53.

The spelling of 55195843472 in words is "fifty-five billion, one hundred ninety-five million, eight hundred forty-three thousand, four hundred seventy-two".