55502317 has 8 divisors (see below), whose sum is σ = 61833240. Its totient is φ = 49465920.

The previous prime is 55502311. The next prime is 55502327. The reversal of 55502317 is 71320555.

It can be written as a sum of positive squares in 4 ways, for example, as 3575881 + 51926436 = 1891^2 + 7206^2 .

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 55502317 - 2³ = 55502309 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 (55502311) 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 7 ways as a sum of consecutive naturals, for example, 73234 + ... + 73987.

It is an arithmetic number, because the mean of its divisors is an integer number (7729155).

Almost surely, 2^55502317 is an apocalyptic number.

It is an amenable number.

55502317 is a deficient number, since it is larger than the sum of its proper divisors (6330923).

55502317 is a wasteful number, since it uses less digits than its factorization.

55502317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147263.

The product of its (nonzero) digits is 5250, while the sum is 28.

The square root of 55502317 is about 7449.9877181107. The cubic root of 55502317 is about 381.4494893639.

The spelling of 55502317 in words is "fifty-five million, five hundred two thousand, three hundred seventeen".