55323694944 has 288 divisors, whose sum is σ = 182697016320. Its totient is φ = 15553714176.

The previous prime is 55323694931. The next prime is 55323694981. The reversal of 55323694944 is 44949632355.

55323694944 is a `hidden beast` number, since 5 + 532 + 3 + 69 + 4 + 9 + 44 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a super-2 number, since 2×55323694944² (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 47 ways as a sum of consecutive naturals, for example, 89665324 + ... + 89665940.

It is an arithmetic number, because the mean of its divisors is an integer number (634364640).

Almost surely, 2^55323694944 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 55323694944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91348508160).

55323694944 is an abundant number, since it is smaller than the sum of its proper divisors (127373321376).

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

55323694944 is a wasteful number, since it uses less digits than its factorization.

55323694944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1282 (or 1271 counting only the distinct ones).

The product of its digits is 13996800, while the sum is 54.

The spelling of 55323694944 in words is "fifty-five billion, three hundred twenty-three million, six hundred ninety-four thousand, nine hundred forty-four".