55271313 has 6 divisors (see below), whose sum is σ = 79836354. Its totient is φ = 36847536.

The previous prime is 55271309. The next prime is 55271317. The reversal of 55271313 is 31317255.

55271313 is a `hidden beast` number, since 5 + 527 + 131 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (55271309) and next prime (55271317).

It can be written as a sum of positive squares in only one way, i.e., 38526849 + 16744464 = 6207^2 + 4092^2 .

It is not a de Polignac number, because 55271313 - 2² = 55271309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55271317) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3070620 + ... + 3070637.

It is an arithmetic number, because the mean of its divisors is an integer number (13306059).

Almost surely, 2^55271313 is an apocalyptic number.

It is an amenable number.

55271313 is a deficient number, since it is larger than the sum of its proper divisors (24565041).

55271313 is a wasteful number, since it uses less digits than its factorization.

55271313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6141263 (or 6141260 counting only the distinct ones).

The product of its digits is 3150, while the sum is 27.

The square root of 55271313 is about 7434.4679029504. The cubic root of 55271313 is about 380.9195481855.

Adding to 55271313 its reverse (31317255), we get a palindrome (86588568).

The spelling of 55271313 in words is "fifty-five million, two hundred seventy-one thousand, three hundred thirteen".