55611601707400 has 96 divisors (see below), whose sum is σ = 130018766882400. Its totient is φ = 22120638220800.

The previous prime is 55611601707367. The next prime is 55611601707451. The reversal of 55611601707400 is 470710611655.

It is a happy 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 23 ways as a sum of consecutive naturals, for example, 49792291 + ... + 50896909.

It is an arithmetic number, because the mean of its divisors is an integer number (1354362155025).

Almost surely, 2^{55611601707400} is an apocalyptic number.

55611601707400 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 55611601707400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65009383441200).

55611601707400 is an abundant number, since it is smaller than the sum of its proper divisors (74407165175000).

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

55611601707400 is a wasteful number, since it uses less digits than its factorization.

55611601707400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106039 (or 1106030 counting only the distinct ones).

The product of its (nonzero) digits is 176400, while the sum is 43.

The spelling of 55611601707400 in words is "fifty-five trillion, six hundred eleven billion, six hundred one million, seven hundred seven thousand, four hundred".