55020200 has 48 divisors (see below), whose sum is σ = 134664000. Its totient is φ = 20848320.

The previous prime is 55020197. The next prime is 55020223. The reversal of 55020200 is 202055.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3440 + ... + 11039.

It is an arithmetic number, because the mean of its divisors is an integer number (2805500).

Almost surely, 2^55020200 is an apocalyptic number.

55020200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55020200 is an abundant number, since it is smaller than the sum of its proper divisors (79643800).

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

55020200 is a wasteful number, since it uses less digits than its factorization.

55020200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14514 (or 14505 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 14.

The square root of 55020200 is about 7417.5602457951. The cubic root of 55020200 is about 380.3417977350.

Adding to 55020200 its reverse (202055), we get a palindrome (55222255).

It can be divided in two parts, 5 and 5020200, that added together give a palindrome (5020205).

The spelling of 55020200 in words is "fifty-five million, twenty thousand, two hundred".