55328430514800 has 120 divisors (see below), whose sum is σ = 177237654992640. Its totient is φ = 14754060896000.

The previous prime is 55328430514793. The next prime is 55328430514801. The reversal of 55328430514800 is 841503482355.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×55328430514800² (a number of 28 digits) contains 22 as substring.

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

It is a self number, because there is not a number n which added to its sum of digits gives 55328430514800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55328430514801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112375561 + ... + 112866839.

It is an arithmetic number, because the mean of its divisors is an integer number (1476980458272).

Almost surely, 2^{55328430514800} is an apocalyptic number.

55328430514800 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55328430514800 is an abundant number, since it is smaller than the sum of its proper divisors (121909224477840).

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

55328430514800 is a wasteful number, since it uses less digits than its factorization.

55328430514800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 585151 (or 585140 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 55328430514800 in words is "fifty-five trillion, three hundred twenty-eight billion, four hundred thirty million, five hundred fourteen thousand, eight hundred".