55685554200 has 144 divisors (see below), whose sum is σ = 193043448000. Its totient is φ = 14370451200.

The previous prime is 55685554189. The next prime is 55685554201. The reversal of 55685554200 is 245558655.

55685554200 is a `hidden beast` number, since 5 + 56 + 8 + 55 + 542 + 0 + 0 = 666.

It is a super-2 number, since 2×55685554200² (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 not an unprimeable number, because it can be changed into a prime (55685554201) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 443175 + ... + 554774.

It is an arithmetic number, because the mean of its divisors is an integer number (1340579500).

Almost surely, 2^55685554200 is an apocalyptic number.

55685554200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55685554200 is an abundant number, since it is smaller than the sum of its proper divisors (137357893800).

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

55685554200 is a wasteful number, since it uses less digits than its factorization.

55685554200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 998002 (or 997990 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 45.

It can be divided in two parts, 5568555 and 4200, that added together give a palindrome (5572755).

The spelling of 55685554200 in words is "fifty-five billion, six hundred eighty-five million, five hundred fifty-four thousand, two hundred".