55234123204400 has 60 divisors (see below), whose sum is σ = 151657121148912. Its totient is φ = 18937413669120.

The previous prime is 55234123204387. The next prime is 55234123204439. The reversal of 55234123204400 is 440232143255.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

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 11 ways as a sum of consecutive naturals, for example, 9863233487 + ... + 9863239086.

Almost surely, 2^{55234123204400} is an apocalyptic number.

55234123204400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55234123204400 is an abundant number, since it is smaller than the sum of its proper divisors (96422997944512).

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

55234123204400 is a wasteful number, since it uses less digits than its factorization.

55234123204400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19726472598 (or 19726472587 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 35.

Adding to 55234123204400 its reverse (440232143255), we get a palindrome (55674355347655).

The spelling of 55234123204400 in words is "fifty-five trillion, two hundred thirty-four billion, one hundred twenty-three million, two hundred four thousand, four hundred".