55406898 has 12 divisors (see below), whose sum is σ = 120048318. Its totient is φ = 18468960.

The previous prime is 55406873. The next prime is 55406903. The reversal of 55406898 is 89860455.

55406898 is a `hidden beast` number, since 554 + 0 + 6 + 8 + 98 = 666.

55406898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 55398249 + 8649 = 7443^2 + 93^2 .

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 5 ways as a sum of consecutive naturals, for example, 1539063 + ... + 1539098.

Almost surely, 2^55406898 is an apocalyptic number.

55406898 is an abundant number, since it is smaller than the sum of its proper divisors (64641420).

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

55406898 is a wasteful number, since it uses less digits than its factorization.

55406898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3078169 (or 3078166 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 45.

The square root of 55406898 is about 7443.5809930436. The cubic root of 55406898 is about 381.2307693247.

The spelling of 55406898 in words is "fifty-five million, four hundred six thousand, eight hundred ninety-eight".