55549734328 has 32 divisors (see below), whose sum is σ = 113673456000. Its totient is φ = 25238990560.

The previous prime is 55549734307. The next prime is 55549734367. The reversal of 55549734328 is 82343794555.

It is a super-2 number, since 2×55549734328² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70893 + ... + 340771.

It is an arithmetic number, because the mean of its divisors is an integer number (3552295500).

Almost surely, 2^55549734328 is an apocalyptic number.

It is an amenable number.

55549734328 is an abundant number, since it is smaller than the sum of its proper divisors (58123721672).

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

55549734328 is a wasteful number, since it uses less digits than its factorization.

55549734328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272235 (or 272231 counting only the distinct ones).

The product of its digits is 18144000, while the sum is 55.

The spelling of 55549734328 in words is "fifty-five billion, five hundred forty-nine million, seven hundred thirty-four thousand, three hundred twenty-eight".