55406204 has 24 divisors (see below), whose sum is σ = 116645760. Its totient is φ = 22495536.

The previous prime is 55406203. The next prime is 55406209. The reversal of 55406204 is 40260455.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55406203) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51542 + ... + 52605.

It is an arithmetic number, because the mean of its divisors is an integer number (4860240).

Almost surely, 2^55406204 is an apocalyptic number.

It is an amenable number.

55406204 is an abundant number, since it is smaller than the sum of its proper divisors (61239556).

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

55406204 is a wasteful number, since it uses less digits than its factorization.

55406204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104177 (or 104175 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 26.

The square root of 55406204 is about 7443.5343755504. The cubic root of 55406204 is about 381.2291776140.

Adding to 55406204 its reverse (40260455), we get a palindrome (95666659).

The spelling of 55406204 in words is "fifty-five million, four hundred six thousand, two hundred four".