55401881000452 has 48 divisors (see below), whose sum is σ = 117790346378880. Its totient is φ = 22271283936000.

The previous prime is 55401881000413. The next prime is 55401881000467. The reversal of 55401881000452 is 25400018810455.

It is a junction number, because it is equal to n+sod(n) for n = 55401881000399 and 55401881000408.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 515485249 + ... + 515592712.

It is an arithmetic number, because the mean of its divisors is an integer number (2453965549560).

Almost surely, 2^{55401881000452} is an apocalyptic number.

It is an amenable number.

55401881000452 is an abundant number, since it is smaller than the sum of its proper divisors (62388465378428).

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

55401881000452 is a wasteful number, since it uses less digits than its factorization.

55401881000452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031078092 (or 1031078090 counting only the distinct ones).

The product of its (nonzero) digits is 256000, while the sum is 43.

The spelling of 55401881000452 in words is "fifty-five trillion, four hundred one billion, eight hundred eighty-one million, four hundred fifty-two", and thus it is an aban number.