55332646 has 8 divisors (see below), whose sum is σ = 83181960. Its totient is φ = 27605328.

The previous prime is 55332623. The next prime is 55332647. The reversal of 55332646 is 64623355.

55332646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×55332646² = 6123403426722632, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55332647) 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 3 ways as a sum of consecutive naturals, for example, 29356 + ... + 31183.

It is an arithmetic number, because the mean of its divisors is an integer number (10397745).

Almost surely, 2^55332646 is an apocalyptic number.

55332646 is a deficient number, since it is larger than the sum of its proper divisors (27849314).

55332646 is a wasteful number, since it uses less digits than its factorization.

55332646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60998.

The product of its digits is 64800, while the sum is 34.

The square root of 55332646 is about 7438.5916677823. The cubic root of 55332646 is about 381.0603946209.

The spelling of 55332646 in words is "fifty-five million, three hundred thirty-two thousand, six hundred forty-six".