55148732736 has 28 divisors (see below), whose sum is σ = 145914355872. Its totient is φ = 18382910848.

The previous prime is 55148732699. The next prime is 55148732753. The reversal of 55148732736 is 63723784155.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 143616300 + ... + 143616683.

Almost surely, 2^55148732736 is an apocalyptic number.

It is an amenable number.

55148732736 is an abundant number, since it is smaller than the sum of its proper divisors (90765623136).

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

55148732736 is a wasteful number, since it uses less digits than its factorization.

55148732736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287232998 (or 287232988 counting only the distinct ones).

The product of its digits is 4233600, while the sum is 51.

The spelling of 55148732736 in words is "fifty-five billion, one hundred forty-eight million, seven hundred thirty-two thousand, seven hundred thirty-six".