55168461408 has 48 divisors (see below), whose sum is σ = 152439174720. Its totient is φ = 17421618816.

The previous prime is 55168461407. The next prime is 55168461437. The reversal of 55168461408 is 80416486155.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55168461401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15121110 + ... + 15124757.

It is an arithmetic number, because the mean of its divisors is an integer number (3175816140).

Almost surely, 2^55168461408 is an apocalyptic number.

It is an amenable number.

55168461408 is an abundant number, since it is smaller than the sum of its proper divisors (97270713312).

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

55168461408 is a wasteful number, since it uses less digits than its factorization.

55168461408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30245899 (or 30245891 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 48.

The spelling of 55168461408 in words is "fifty-five billion, one hundred sixty-eight million, four hundred sixty-one thousand, four hundred eight".