55634521356 has 24 divisors (see below), whose sum is σ = 144237648240. Its totient is φ = 18544840416.

The previous prime is 55634521343. The next prime is 55634521373. The reversal of 55634521356 is 65312543655.

55634521356 is a `hidden beast` number, since 5 + 5 + 63 + 452 + 135 + 6 = 666.

It is a super-2 number, since 2×55634521356² (a number of 22 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 257567121 + ... + 257567336.

It is an arithmetic number, because the mean of its divisors is an integer number (6009902010).

Almost surely, 2^55634521356 is an apocalyptic number.

It is an amenable number.

55634521356 is an abundant number, since it is smaller than the sum of its proper divisors (88603126884).

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

55634521356 is a wasteful number, since it uses less digits than its factorization.

55634521356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 515134470 (or 515134462 counting only the distinct ones).

The product of its digits is 1620000, while the sum is 45.

The spelling of 55634521356 in words is "fifty-five billion, six hundred thirty-four million, five hundred twenty-one thousand, three hundred fifty-six".