55881520344102 has 32 divisors (see below), whose sum is σ = 112582732227840. Its totient is φ = 18490830608160.

The previous prime is 55881520344077. The next prime is 55881520344103. The reversal of 55881520344102 is 20144302518855.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55881520344103) 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, 33231049 + ... + 34872132.

It is an arithmetic number, because the mean of its divisors is an integer number (3518210382120).

Almost surely, 2^{55881520344102} is an apocalyptic number.

55881520344102 is an abundant number, since it is smaller than the sum of its proper divisors (56701211883738).

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

55881520344102 is a wasteful number, since it uses less digits than its factorization.

55881520344102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68104188.

The product of its (nonzero) digits is 1536000, while the sum is 48.

The spelling of 55881520344102 in words is "fifty-five trillion, eight hundred eighty-one billion, five hundred twenty million, three hundred forty-four thousand, one hundred two".