55736360220 has 96 divisors (see below), whose sum is σ = 160826674176. Its totient is φ = 14413580800.

The previous prime is 55736360219. The next prime is 55736360221. The reversal of 55736360220 is 2206363755.

It is an interprime number because it is at equal distance from previous prime (55736360219) and next prime (55736360221).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55736360221) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 342985 + ... + 478655.

It is an arithmetic number, because the mean of its divisors is an integer number (1675277856).

Almost surely, 2^55736360220 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 55736360220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80413337088).

55736360220 is an abundant number, since it is smaller than the sum of its proper divisors (105090313956).

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

55736360220 is a wasteful number, since it uses less digits than its factorization.

55736360220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135891 (or 135889 counting only the distinct ones).

The product of its (nonzero) digits is 226800, while the sum is 39.

The spelling of 55736360220 in words is "fifty-five billion, seven hundred thirty-six million, three hundred sixty thousand, two hundred twenty".