55758647747328 has 144 divisors (see below), whose sum is σ = 156910309678080. Its totient is φ = 17529033388032.

The previous prime is 55758647747279. The next prime is 55758647747351. The reversal of 55758647747328 is 82374774685755.

It is a super-2 number, since 2×55758647747328² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5313651 + ... + 11821682.

It is an arithmetic number, because the mean of its divisors is an integer number (1089654928320).

Almost surely, 2^{55758647747328} is an apocalyptic number.

It is an amenable number.

55758647747328 is an abundant number, since it is smaller than the sum of its proper divisors (101151661930752).

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

55758647747328 is a wasteful number, since it uses less digits than its factorization.

55758647747328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17135594 (or 17135580 counting only the distinct ones).

The product of its digits is 11063808000, while the sum is 78.

The spelling of 55758647747328 in words is "fifty-five trillion, seven hundred fifty-eight billion, six hundred forty-seven million, seven hundred forty-seven thousand, three hundred twenty-eight".