55197130579200 has 864 divisors, whose sum is σ = 208100555712000. Its totient is φ = 14309060935680.

The previous prime is 55197130579187. The next prime is 55197130579219. The reversal of 55197130579200 is 297503179155.

55197130579200 is a `hidden beast` number, since 5 + 5 + 19 + 7 + 1 + 30 + 579 + 20 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (864).

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

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 polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1210095594 + ... + 1210141206.

Almost surely, 2^{55197130579200} is an apocalyptic number.

55197130579200 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 55197130579200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104050277856000).

55197130579200 is an abundant number, since it is smaller than the sum of its proper divisors (152903425132800).

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

55197130579200 is a wasteful number, since it uses less digits than its factorization.

55197130579200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45844 (or 45819 counting only the distinct ones).

The product of its (nonzero) digits is 2976750, while the sum is 54.

The spelling of 55197130579200 in words is "fifty-five trillion, one hundred ninety-seven billion, one hundred thirty million, five hundred seventy-nine thousand, two hundred".