55177641200 has 240 divisors, whose sum is σ = 157268710944. Its totient is φ = 18373017600.

The previous prime is 55177641097. The next prime is 55177641203. The reversal of 55177641200 is 214677155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55177641203) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2757632 + ... + 2777568.

Almost surely, 2^55177641200 is an apocalyptic number.

55177641200 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 55177641200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78634355472).

55177641200 is an abundant number, since it is smaller than the sum of its proper divisors (102091069744).

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

55177641200 is a wasteful number, since it uses less digits than its factorization.

55177641200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20020 (or 20009 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 38.

The spelling of 55177641200 in words is "fifty-five billion, one hundred seventy-seven million, six hundred forty-one thousand, two hundred".