55933817 has 4 divisors (see below), whose sum is σ = 56641920. Its totient is φ = 55225716.

The previous prime is 55933793. The next prime is 55933831. The reversal of 55933817 is 71833955.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 71833955 = 5 ⋅14366791.

It is a cyclic number.

It is not a de Polignac number, because 55933817 - 2⁸ = 55933561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55933847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 353933 + ... + 354090.

It is an arithmetic number, because the mean of its divisors is an integer number (14160480).

Almost surely, 2^55933817 is an apocalyptic number.

It is an amenable number.

55933817 is a deficient number, since it is larger than the sum of its proper divisors (708103).

55933817 is an equidigital number, since it uses as much as digits as its factorization.

55933817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708102.

The product of its digits is 113400, while the sum is 41.

The square root of 55933817 is about 7478.8914285474. The cubic root of 55933817 is about 382.4354586589.

The spelling of 55933817 in words is "fifty-five million, nine hundred thirty-three thousand, eight hundred seventeen".