55553208 has 16 divisors (see below), whose sum is σ = 138883080. Its totient is φ = 18517728.

The previous prime is 55553203. The next prime is 55553231. The reversal of 55553208 is 80235555.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55553203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1157335 + ... + 1157382.

Almost surely, 2^55553208 is an apocalyptic number.

It is an amenable number.

55553208 is an abundant number, since it is smaller than the sum of its proper divisors (83329872).

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

55553208 is a wasteful number, since it uses less digits than its factorization.

55553208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2314726 (or 2314722 counting only the distinct ones).

The product of its (nonzero) digits is 30000, while the sum is 33.

The square root of 55553208 is about 7453.4024445216. The cubic root of 55553208 is about 381.5660395482.

The spelling of 55553208 in words is "fifty-five million, five hundred fifty-three thousand, two hundred eight".