55453454320044 has 48 divisors (see below), whose sum is σ = 141212074582656. Its totient is φ = 16797192873600.

The previous prime is 55453454320021. The next prime is 55453454320049. The reversal of 55453454320044 is 44002345435455.

It is a junction number, because it is equal to n+sod(n) for n = 55453454319975 and 55453454320002.

It is not an unprimeable number, because it can be changed into a prime (55453454320049) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85728982 + ... + 86373405.

It is an arithmetic number, because the mean of its divisors is an integer number (2941918220472).

Almost surely, 2^{55453454320044} is an apocalyptic number.

It is an amenable number.

55453454320044 is an abundant number, since it is smaller than the sum of its proper divisors (85758620262612).

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

55453454320044 is a wasteful number, since it uses less digits than its factorization.

55453454320044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172104846 (or 172104844 counting only the distinct ones).

The product of its (nonzero) digits is 11520000, while the sum is 48.

Adding to 55453454320044 its reverse (44002345435455), we get a palindrome (99455799755499).

The spelling of 55453454320044 in words is "fifty-five trillion, four hundred fifty-three billion, four hundred fifty-four million, three hundred twenty thousand, forty-four".