55302732738 has 54 divisors (see below), whose sum is σ = 131731961907. Its totient is φ = 16755078120.

The previous prime is 55302732733. The next prime is 55302732763. The reversal of 55302732738 is 83723720355.

55302732738 is a `hidden beast` number, since 5 + 5 + 302 + 73 + 273 + 8 = 666.

It can be written as a sum of positive squares in only one way, i.e., 27651366369 + 27651366369 = 166287^2 + 166287^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=166287.

It is a junction number, because it is equal to n+sod(n) for n = 55302732693 and 55302732702.

It is not an unprimeable number, because it can be changed into a prime (55302732733) 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 26 ways as a sum of consecutive naturals, for example, 10972423 + ... + 10977461.

Almost surely, 2^55302732738 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55302732738

55302732738 is an abundant number, since it is smaller than the sum of its proper divisors (76429229169).

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

55302732738 is an equidigital number, since it uses as much as digits as its factorization.

55302732738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10108 (or 5055 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 55302732738 in words is "fifty-five billion, three hundred two million, seven hundred thirty-two thousand, seven hundred thirty-eight".