55446324550 has 24 divisors (see below), whose sum is σ = 103308952536. Its totient is φ = 22140080640.

The previous prime is 55446324547. The next prime is 55446324559. The reversal of 55446324550 is 5542364455.

It is a super-2 number, since 2×55446324550² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 55446324497 and 55446324506.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55446324559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 932092 + ... + 989791.

It is an arithmetic number, because the mean of its divisors is an integer number (4304539689).

Almost surely, 2^55446324550 is an apocalyptic number.

55446324550 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55446324550 is a deficient number, since it is larger than the sum of its proper divisors (47862627986).

55446324550 is a wasteful number, since it uses less digits than its factorization.

55446324550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922472 (or 1922467 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 43.

The spelling of 55446324550 in words is "fifty-five billion, four hundred forty-six million, three hundred twenty-four thousand, five hundred fifty".