55848740220 has 960 divisors, whose sum is σ = 230223544320. Its totient is φ = 11004844032.

The previous prime is 55848740141. The next prime is 55848740251. The reversal of 55848740220 is 2204784855.

55848740220 is a `hidden beast` number, since 5 + 584 + 8 + 7 + 40 + 2 + 20 = 666.

It is a super-2 number, since 2×55848740220² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 319 ways as a sum of consecutive naturals, for example, 355724382 + ... + 355724538.

It is an arithmetic number, because the mean of its divisors is an integer number (239816192).

Almost surely, 2^55848740220 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 55848740220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115111772160).

55848740220 is an abundant number, since it is smaller than the sum of its proper divisors (174374804100).

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

55848740220 is a wasteful number, since it uses less digits than its factorization.

55848740220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 344 (or 333 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 45.

The spelling of 55848740220 in words is "fifty-five billion, eight hundred forty-eight million, seven hundred forty thousand, two hundred twenty".