55311269 has 8 divisors (see below), whose sum is σ = 59764320. Its totient is φ = 50886576.

The previous prime is 55311259. The next prime is 55311271. The reversal of 55311269 is 96211355.

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

It is not a de Polignac number, because 55311269 - 2⁴ = 55311253 is a prime.

It is a super-2 number, since 2×55311269² = 6118672956780722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55311209) 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, 2939 + ... + 10920.

It is an arithmetic number, because the mean of its divisors is an integer number (7470540).

Almost surely, 2^55311269 is an apocalyptic number.

It is an amenable number.

55311269 is a deficient number, since it is larger than the sum of its proper divisors (4453051).

55311269 is a wasteful number, since it uses less digits than its factorization.

55311269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14179.

The product of its digits is 8100, while the sum is 32.

The square root of 55311269 is about 7437.1546306366. The cubic root of 55311269 is about 381.0113158347.

The spelling of 55311269 in words is "fifty-five million, three hundred eleven thousand, two hundred sixty-nine".