55328469 has 8 divisors (see below), whose sum is σ = 84310080. Its totient is φ = 31616256.

The previous prime is 55328467. The next prime is 55328473. The reversal of 55328469 is 96482355.

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

It is not a de Polignac number, because 55328469 - 2¹ = 55328467 is a prime.

It is a super-2 number, since 2×55328469² = 6122478963767922, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 55328469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55328467) 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, 1317324 + ... + 1317365.

It is an arithmetic number, because the mean of its divisors is an integer number (10538760).

Almost surely, 2^55328469 is an apocalyptic number.

It is an amenable number.

55328469 is a deficient number, since it is larger than the sum of its proper divisors (28981611).

55328469 is a wasteful number, since it uses less digits than its factorization.

55328469 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2634699.

The product of its digits is 259200, while the sum is 42.

The square root of 55328469 is about 7438.3108969712. The cubic root of 55328469 is about 381.0508057709.

The spelling of 55328469 in words is "fifty-five million, three hundred twenty-eight thousand, four hundred sixty-nine".