55153666570000 has 200 divisors, whose sum is σ = 134708888357120. Its totient is φ = 21867753600000.

The previous prime is 55153666569983. The next prime is 55153666570001. The reversal of 55153666570000 is 7566635155.

It is a tau number, because it is divible by the number of its divisors (200).

It is a super-2 number, since 2×55153666570000² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55153666570001) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 699090556 + ... + 699169444.

Almost surely, 2^{55153666570000} is an apocalyptic number.

55153666570000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55153666570000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67354444178560).

55153666570000 is an abundant number, since it is smaller than the sum of its proper divisors (79555221787120).

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

55153666570000 is a wasteful number, since it uses less digits than its factorization.

55153666570000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79531 (or 79510 counting only the distinct ones).

The product of its (nonzero) digits is 2835000, while the sum is 49.

The spelling of 55153666570000 in words is "fifty-five trillion, one hundred fifty-three billion, six hundred sixty-six million, five hundred seventy thousand".