55717733 has 8 divisors (see below), whose sum is σ = 56377440. Its totient is φ = 55062000.

The previous prime is 55717679. The next prime is 55717769. The reversal of 55717733 is 33771755.

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

It is a cyclic number.

It is not a de Polignac number, because 55717733 - 2²⁰ = 54669157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55717433) 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, 34091 + ... + 35687.

It is an arithmetic number, because the mean of its divisors is an integer number (7047180).

Almost surely, 2^55717733 is an apocalyptic number.

It is an amenable number.

55717733 is a deficient number, since it is larger than the sum of its proper divisors (659707).

55717733 is a wasteful number, since it uses less digits than its factorization.

55717733 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1987.

The product of its digits is 77175, while the sum is 38.

The square root of 55717733 is about 7464.4311906534. The cubic root of 55717733 is about 381.9423471375.

The spelling of 55717733 in words is "fifty-five million, seven hundred seventeen thousand, seven hundred thirty-three".