55544012313 has 8 divisors (see below), whose sum is σ = 75073185888. Its totient is φ = 36522090144.

The previous prime is 55544012309. The next prime is 55544012317. The reversal of 55544012313 is 31321044555.

It is an interprime number because it is at equal distance from previous prime (55544012309) and next prime (55544012317).

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

It is not a de Polignac number, because 55544012313 - 2² = 55544012309 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (55544012317) 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, 126812595 + ... + 126813032.

It is an arithmetic number, because the mean of its divisors is an integer number (9384148236).

Almost surely, 2^55544012313 is an apocalyptic number.

It is an amenable number.

55544012313 is a deficient number, since it is larger than the sum of its proper divisors (19529173575).

55544012313 is a wasteful number, since it uses less digits than its factorization.

55544012313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253625703.

The product of its (nonzero) digits is 36000, while the sum is 33.

Adding to 55544012313 its reverse (31321044555), we get a palindrome (86865056868).

The spelling of 55544012313 in words is "fifty-five billion, five hundred forty-four million, twelve thousand, three hundred thirteen".