55951356384 has 864 divisors, whose sum is σ = 211928371200. Its totient is φ = 13970880000.

The previous prime is 55951356371. The next prime is 55951356397. The reversal of 55951356384 is 48365315955.

55951356384 is a `hidden beast` number, since 5 + 595 + 13 + 5 + 6 + 38 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (55951356371) and next prime (55951356397).

It is a self number, because there is not a number n which added to its sum of digits gives 55951356384.

It is a congruent number.

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 143 ways as a sum of consecutive naturals, for example, 370538709 + ... + 370538859.

Almost surely, 2^55951356384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55951356384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105964185600).

55951356384 is an abundant number, since it is smaller than the sum of its proper divisors (155977014816).

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

55951356384 is a wasteful number, since it uses less digits than its factorization.

55951356384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 241 (or 205 counting only the distinct ones).

The product of its digits is 9720000, while the sum is 54.

The spelling of 55951356384 in words is "fifty-five billion, nine hundred fifty-one million, three hundred fifty-six thousand, three hundred eighty-four".