55266313 has 8 divisors (see below), whose sum is σ = 56706048. Its totient is φ = 53837664.

The previous prime is 55266301. The next prime is 55266331. The reversal of 55266313 is 31366255.

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 55266313 - 2²¹ = 53169161 is a prime.

It is a super-2 number, since 2×55266313² = 6108730705227938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55260313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7845 + ... + 13117.

It is an arithmetic number, because the mean of its divisors is an integer number (7088256).

Almost surely, 2^55266313 is an apocalyptic number.

It is an amenable number.

55266313 is a deficient number, since it is larger than the sum of its proper divisors (1439735).

55266313 is a wasteful number, since it uses less digits than its factorization.

55266313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5543.

The product of its digits is 16200, while the sum is 31.

The square root of 55266313 is about 7434.1316238011. The cubic root of 55266313 is about 380.9080614843.

The spelling of 55266313 in words is "fifty-five million, two hundred sixty-six thousand, three hundred thirteen".