55205700 has 72 divisors (see below), whose sum is σ = 174259680. Its totient is φ = 13382400.

The previous prime is 55205677. The next prime is 55205767. The reversal of 55205700 is 750255.

55205700 = T₂₅₃ + T₂₅₄ + ... + T₇₀₂.

55205700 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5065 + ... + 11664.

Almost surely, 2^55205700 is an apocalyptic number.

55205700 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55205700 is an abundant number, since it is smaller than the sum of its proper divisors (119053980).

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

55205700 is a wasteful number, since it uses less digits than its factorization.

55205700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16757 (or 16750 counting only the distinct ones).

The product of its (nonzero) digits is 1750, while the sum is 24.

The square root of 55205700 is about 7430.0538356058. The cubic root of 55205700 is about 380.7687576615.

Adding to 55205700 its reverse (750255), we get a palindrome (55955955).

Subtracting from 55205700 its reverse (750255), we obtain a palindrome (54455445).

The spelling of 55205700 in words is "fifty-five million, two hundred five thousand, seven hundred".