55447235 has 8 divisors (see below), whose sum is σ = 66582096. Its totient is φ = 44327520.

The previous prime is 55447229. The next prime is 55447241. The reversal of 55447235 is 53274455.

55447235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55447229) and next prime (55447241).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-55447235 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55447195 and 55447204.

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 7 ways as a sum of consecutive naturals, for example, 7145 + ... + 12725.

It is an arithmetic number, because the mean of its divisors is an integer number (8322762).

Almost surely, 2^55447235 is an apocalyptic number.

55447235 is a deficient number, since it is larger than the sum of its proper divisors (11134861).

55447235 is a wasteful number, since it uses less digits than its factorization.

55447235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7573.

The product of its digits is 84000, while the sum is 35.

The square root of 55447235 is about 7446.2900158401. The cubic root of 55447235 is about 381.3232606683.

The spelling of 55447235 in words is "fifty-five million, four hundred forty-seven thousand, two hundred thirty-five".