55208345 has 16 divisors (see below), whose sum is σ = 69455232. Its totient is φ = 42080640.

The previous prime is 55208341. The next prime is 55208347. The reversal of 55208345 is 54380255.

55208345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55208345 - 2² = 55208341 is a prime.

It is a super-2 number, since 2×55208345² = 6095922715278050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55208341) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 5684 + ... + 11946.

It is an arithmetic number, because the mean of its divisors is an integer number (4340952).

Almost surely, 2^55208345 is an apocalyptic number.

It is an amenable number.

55208345 is a deficient number, since it is larger than the sum of its proper divisors (14246887).

55208345 is a wasteful number, since it uses less digits than its factorization.

55208345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352.

The product of its (nonzero) digits is 24000, while the sum is 32.

The square root of 55208345 is about 7430.2318268006. The cubic root of 55208345 is about 380.7748386597.

The spelling of 55208345 in words is "fifty-five million, two hundred eight thousand, three hundred forty-five".