55272357200 has 120 divisors (see below), whose sum is σ = 135918181632. Its totient is φ = 21590530560.

The previous prime is 55272357097. The next prime is 55272357209. The reversal of 55272357200 is 275327255.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55272357209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9152582 + ... + 9158618.

Almost surely, 2^55272357200 is an apocalyptic number.

55272357200 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 55272357200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67959090816).

55272357200 is an abundant number, since it is smaller than the sum of its proper divisors (80645824432).

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

55272357200 is a wasteful number, since it uses less digits than its factorization.

55272357200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6589 (or 6578 counting only the distinct ones).

The product of its (nonzero) digits is 147000, while the sum is 38.

The spelling of 55272357200 in words is "fifty-five billion, two hundred seventy-two million, three hundred fifty-seven thousand, two hundred".