55163554125624 has 384 divisors, whose sum is σ = 173488408704000. Its totient is φ = 15509798092800.

The previous prime is 55163554125623. The next prime is 55163554125653. The reversal of 55163554125624 is 42652145536155.

55163554125624 is a `hidden beast` number, since 5 + 5 + 1 + 6 + 3 + 5 + 5 + 4 + 1 + 2 + 5 + 624 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55163554125623) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 11679767727 + ... + 11679772449.

It is an arithmetic number, because the mean of its divisors is an integer number (451792731000).

Almost surely, 2^{55163554125624} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55163554125624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86744204352000).

55163554125624 is an abundant number, since it is smaller than the sum of its proper divisors (118324854578376).

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

55163554125624 is a wasteful number, since it uses less digits than its factorization.

55163554125624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6195 (or 6188 counting only the distinct ones).

The product of its digits is 21600000, while the sum is 54.

The spelling of 55163554125624 in words is "fifty-five trillion, one hundred sixty-three billion, five hundred fifty-four million, one hundred twenty-five thousand, six hundred twenty-four".