55328933 has 8 divisors (see below), whose sum is σ = 60414816. Its totient is φ = 50252400.

The previous prime is 55328929. The next prime is 55328971. The reversal of 55328933 is 33982355.

It is a happy number.

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

It is not a de Polignac number, because 55328933 - 2² = 55328929 is a prime.

It is a super-2 number, since 2×55328933² = 6122581653836978, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55328983) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17138 + ... + 20108.

It is an arithmetic number, because the mean of its divisors is an integer number (7551852).

Almost surely, 2^55328933 is an apocalyptic number.

It is an amenable number.

55328933 is a deficient number, since it is larger than the sum of its proper divisors (5085883).

55328933 is a wasteful number, since it uses less digits than its factorization.

55328933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4675.

The product of its digits is 97200, while the sum is 38.

The square root of 55328933 is about 7438.3420867825. The cubic root of 55328933 is about 381.0518709674.

The spelling of 55328933 in words is "fifty-five million, three hundred twenty-eight thousand, nine hundred thirty-three".