55139625525600 has 3456 divisors, whose sum is σ = 261451746017280. Its totient is φ = 11019960576000.

The previous prime is 55139625525599. The next prime is 55139625525613. The reversal of 55139625525600 is 652552693155.

55139625525600 is a `hidden beast` number, since 5 + 5 + 1 + 3 + 9 + 6 + 2 + 5 + 5 + 25 + 600 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent 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 575 ways as a sum of consecutive naturals, for example, 338279911119 + ... + 338279911281.

It is an arithmetic number, because the mean of its divisors is an integer number (75651546880).

Almost surely, 2^{55139625525600} is an apocalyptic number.

55139625525600 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 55139625525600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130725873008640).

55139625525600 is an abundant number, since it is smaller than the sum of its proper divisors (206312120491680).

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

55139625525600 is a wasteful number, since it uses less digits than its factorization.

55139625525600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 265 (or 222 counting only the distinct ones).

The product of its (nonzero) digits is 12150000, while the sum is 54.

The spelling of 55139625525600 in words is "fifty-five trillion, one hundred thirty-nine billion, six hundred twenty-five million, five hundred twenty-five thousand, six hundred".