55330475 has 12 divisors (see below), whose sum is σ = 68719560. Its totient is φ = 44193600.

The previous prime is 55330459. The next prime is 55330481. The reversal of 55330475 is 57403355.

55330475 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 55330475 - 2⁴ = 55330459 is a prime.

It is a super-2 number, since 2×55330475² = 6122922927451250, which contains 22 as substring.

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 11 ways as a sum of consecutive naturals, for example, 18911 + ... + 21639.

It is an arithmetic number, because the mean of its divisors is an integer number (5726630).

Almost surely, 2^55330475 is an apocalyptic number.

55330475 is a deficient number, since it is larger than the sum of its proper divisors (13389085).

55330475 is a wasteful number, since it uses less digits than its factorization.

55330475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3550 (or 3545 counting only the distinct ones).

The product of its (nonzero) digits is 31500, while the sum is 32.

The square root of 55330475 is about 7438.4457381902. The cubic root of 55330475 is about 381.0554108666.

The spelling of 55330475 in words is "fifty-five million, three hundred thirty thousand, four hundred seventy-five".