55338717 has 32 divisors (see below), whose sum is σ = 87980032. Its totient is φ = 30279744.

The previous prime is 55338691. The next prime is 55338719. The reversal of 55338717 is 71783355.

It is not a de Polignac number, because 55338717 - 2¹⁵ = 55305949 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55338719) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51528 + ... + 52590.

It is an arithmetic number, because the mean of its divisors is an integer number (2749376).

Almost surely, 2^55338717 is an apocalyptic number.

It is an amenable number.

55338717 is a deficient number, since it is larger than the sum of its proper divisors (32641315).

55338717 is a wasteful number, since it uses less digits than its factorization.

55338717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177.

The product of its digits is 88200, while the sum is 39.

The square root of 55338717 is about 7438.9997311467. Note that the first 3 decimals coincide. The cubic root of 55338717 is about 381.0743305352.

The spelling of 55338717 in words is "fifty-five million, three hundred thirty-eight thousand, seven hundred seventeen".