55011024600400 has 120 divisors (see below), whose sum is σ = 144862209216288. Its totient is φ = 19909202880000.

The previous prime is 55011024600373. The next prime is 55011024600409. The reversal of 55011024600400 is 400642011055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55011024600409) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28698391 + ... + 30555190.

Almost surely, 2^{55011024600400} is an apocalyptic number.

55011024600400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55011024600400 is an abundant number, since it is smaller than the sum of its proper divisors (89851184615888).

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

55011024600400 is a wasteful number, since it uses less digits than its factorization.

55011024600400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59253821 (or 59253810 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 28.

Adding to 55011024600400 its reverse (400642011055), we get a palindrome (55411666611455).

The spelling of 55011024600400 in words is "fifty-five trillion, eleven billion, twenty-four million, six hundred thousand, four hundred".