55223623040700 has 72 divisors (see below), whose sum is σ = 159781646708992. Its totient is φ = 14726179903680.

The previous prime is 55223623040611. The next prime is 55223623040731. The reversal of 55223623040700 is 704032632255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 39948477 + ... + 41307723.

Almost surely, 2^{55223623040700} is an apocalyptic number.

55223623040700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55223623040700 is an abundant number, since it is smaller than the sum of its proper divisors (104558023668292).

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

55223623040700 is a wasteful number, since it uses less digits than its factorization.

55223623040700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1494691 (or 1494684 counting only the distinct ones).

The product of its (nonzero) digits is 302400, while the sum is 39.

Adding to 55223623040700 its reverse (704032632255), we get a palindrome (55927655672955).

The spelling of 55223623040700 in words is "fifty-five trillion, two hundred twenty-three billion, six hundred twenty-three million, forty thousand, seven hundred".