55394744749356 has 48 divisors (see below), whose sum is σ = 133071734009984. Its totient is φ = 17924851034496.

The previous prime is 55394744749343. The next prime is 55394744749361. The reversal of 55394744749356 is 65394744749355.

It is an unprimeable number.

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, 329223121 + ... + 329391336.

Almost surely, 2^{55394744749356} is an apocalyptic number.

It is an amenable number.

55394744749356 is an abundant number, since it is smaller than the sum of its proper divisors (77676989260628).

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

55394744749356 is a wasteful number, since it uses less digits than its factorization.

55394744749356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658614670 (or 658614668 counting only the distinct ones).

The product of its digits is 6858432000, while the sum is 75.

Subtracting 55394744749356 from its reverse (65394744749355), we obtain a palindrome (9999999999999).

The spelling of 55394744749356 in words is "fifty-five trillion, three hundred ninety-four billion, seven hundred forty-four million, seven hundred forty-nine thousand, three hundred fifty-six".