55651311313 has 8 divisors (see below), whose sum is σ = 62537928768. Its totient is φ = 49136943504.

The previous prime is 55651311283. The next prime is 55651311343. The reversal of 55651311313 is 31311315655.

It is an interprime number because it is at equal distance from previous prime (55651311283) and next prime (55651311343).

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

It is not a de Polignac number, because 55651311313 - 2⁵ = 55651311281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55651311343) 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, 93062095 + ... + 93062692.

It is an arithmetic number, because the mean of its divisors is an integer number (7817241096).

Almost surely, 2^55651311313 is an apocalyptic number.

It is an amenable number.

55651311313 is a deficient number, since it is larger than the sum of its proper divisors (6886617455).

55651311313 is a wasteful number, since it uses less digits than its factorization.

55651311313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186124823.

The product of its digits is 20250, while the sum is 34.

Adding to 55651311313 its reverse (31311315655), we get a palindrome (86962626968).

The spelling of 55651311313 in words is "fifty-five billion, six hundred fifty-one million, three hundred eleven thousand, three hundred thirteen".