55693959 has 8 divisors (see below), whose sum is σ = 78167040. Its totient is φ = 35175096.

The previous prime is 55693943. The next prime is 55693961. The reversal of 55693959 is 95939655.

55693959 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 not a de Polignac number, because 55693959 - 2⁴ = 55693943 is a prime.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55693159) 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 7 ways as a sum of consecutive naturals, for example, 488487 + ... + 488600.

It is an arithmetic number, because the mean of its divisors is an integer number (9770880).

Almost surely, 2^55693959 is an apocalyptic number.

55693959 is a deficient number, since it is larger than the sum of its proper divisors (22473081).

55693959 is a wasteful number, since it uses less digits than its factorization.

55693959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 977109.

The product of its digits is 1640250, while the sum is 51.

The square root of 55693959 is about 7462.8385350348. The cubic root of 55693959 is about 381.8880162051. Note that the first 3 decimals are identical.

The spelling of 55693959 in words is "fifty-five million, six hundred ninety-three thousand, nine hundred fifty-nine".