55691135 has 8 divisors (see below), whose sum is σ = 66894336. Its totient is φ = 44509600.

The previous prime is 55691117. The next prime is 55691177. The reversal of 55691135 is 53119655.

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 55691135 - 2⁸ = 55690879 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55691095 and 55691104.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 917 + ... + 10593.

It is an arithmetic number, because the mean of its divisors is an integer number (8361792).

Almost surely, 2^55691135 is an apocalyptic number.

55691135 is a deficient number, since it is larger than the sum of its proper divisors (11203201).

55691135 is a wasteful number, since it uses less digits than its factorization.

55691135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10833.

The product of its digits is 20250, while the sum is 35.

The square root of 55691135 is about 7462.6493284892. The cubic root of 55691135 is about 381.8815614656.

The spelling of 55691135 in words is "fifty-five million, six hundred ninety-one thousand, one hundred thirty-five".