55446545055 has 32 divisors (see below), whose sum is σ = 98365989888. Its totient is φ = 26442460800.

The previous prime is 55446545051. The next prime is 55446545057. The reversal of 55446545055 is 55054564455.

It is not a de Polignac number, because 55446545055 - 2² = 55446545051 is a prime.

It is a super-2 number, since 2×55446545055² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55446544995 and 55446545013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55446545051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2744359 + ... + 2764488.

It is an arithmetic number, because the mean of its divisors is an integer number (3073937184).

Almost surely, 2^55446545055 is an apocalyptic number.

55446545055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55446545055 is a deficient number, since it is larger than the sum of its proper divisors (42919444833).

55446545055 is a wasteful number, since it uses less digits than its factorization.

55446545055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5508927.

The product of its (nonzero) digits is 6000000, while the sum is 48.

The spelling of 55446545055 in words is "fifty-five billion, four hundred forty-six million, five hundred forty-five thousand, fifty-five".