55313236633 has 8 divisors (see below), whose sum is σ = 55606804328. Its totient is φ = 55019741184.

The previous prime is 55313236621. The next prime is 55313236679. The reversal of 55313236633 is 33663231355.

It can be written as a sum of positive squares in 4 ways, for example, as 10923803289 + 44389433344 = 104517^2 + 210688^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55313236633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55313236603) 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, 2294941 + ... + 2318917.

It is an arithmetic number, because the mean of its divisors is an integer number (6950850541).

Almost surely, 2^55313236633 is an apocalyptic number.

It is an amenable number.

55313236633 is a deficient number, since it is larger than the sum of its proper divisors (293567695).

55313236633 is a wasteful number, since it uses less digits than its factorization.

55313236633 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36123.

The product of its digits is 437400, while the sum is 40.

Adding to 55313236633 its reverse (33663231355), we get a palindrome (88976467988).

The spelling of 55313236633 in words is "fifty-five billion, three hundred thirteen million, two hundred thirty-six thousand, six hundred thirty-three".