55291456023552 has 704 divisors, whose sum is σ = 189964534579200. Its totient is φ = 15754601005056.

The previous prime is 55291456023541. The next prime is 55291456023593. The reversal of 55291456023552 is 25532065419255.

It is a happy number.

55291456023552 is a `hidden beast` number, since 5 + 5 + 2 + 9 + 1 + 4 + 5 + 60 + 23 + 552 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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 63 ways as a sum of consecutive naturals, for example, 6004062724 + ... + 6004071932.

Almost surely, 2^{55291456023552} 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 55291456023552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (94982267289600).

55291456023552 is an abundant number, since it is smaller than the sum of its proper divisors (134673078555648).

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

55291456023552 is an frugal number, since it uses more digits than its factorization.

55291456023552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9640 (or 9604 counting only the distinct ones).

The product of its (nonzero) digits is 16200000, while the sum is 54.

The spelling of 55291456023552 in words is "fifty-five trillion, two hundred ninety-one billion, four hundred fifty-six million, twenty-three thousand, five hundred fifty-two".