55546436020 has 24 divisors (see below), whose sum is σ = 116699020200. Its totient is φ = 22208764032.

The previous prime is 55546436009. The next prime is 55546436117. The reversal of 55546436020 is 2063464555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1377597456 + 54168838564 = 37116^2 + 232742^2 .

It is a congruent number.

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, 566635 + ... + 657394.

It is an arithmetic number, because the mean of its divisors is an integer number (4862459175).

Almost surely, 2^55546436020 is an apocalyptic number.

It is an amenable number.

55546436020 is an abundant number, since it is smaller than the sum of its proper divisors (61152584180).

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

55546436020 is a wasteful number, since it uses less digits than its factorization.

55546436020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1226307 (or 1226305 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 40.

The spelling of 55546436020 in words is "fifty-five billion, five hundred forty-six million, four hundred thirty-six thousand, twenty".