55148214548736 has 144 divisors (see below), whose sum is σ = 163277367388800. Its totient is φ = 18360825956352.

The previous prime is 55148214548731. The next prime is 55148214548803. The reversal of 55148214548736 is 63784541284155.

55148214548736 is a `hidden beast` number, since 5 + 5 + 1 + 4 + 8 + 2 + 14 + 548 + 73 + 6 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×55148214548736² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55148214548731) 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 15 ways as a sum of consecutive naturals, for example, 1044330 + ... + 10554006.

Almost surely, 2^{55148214548736} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55148214548736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81638683694400).

55148214548736 is an abundant number, since it is smaller than the sum of its proper divisors (108129152840064).

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

55148214548736 is an equidigital number, since it uses as much as digits as its factorization.

55148214548736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510541 (or 9510521 counting only the distinct ones).

The product of its digits is 129024000, while the sum is 63.

The spelling of 55148214548736 in words is "fifty-five trillion, one hundred forty-eight billion, two hundred fourteen million, five hundred forty-eight thousand, seven hundred thirty-six".