55105633739 has 8 divisors (see below), whose sum is σ = 62835383520. Its totient is φ = 47874577536.

The previous prime is 55105633729. The next prime is 55105633753. The reversal of 55105633739 is 93733650155.

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-55105633739 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55105633693 and 55105633702.

It is not an unprimeable number, because it can be changed into a prime (55105633729) 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, 124673159 + ... + 124673600.

It is an arithmetic number, because the mean of its divisors is an integer number (7854422940).

Almost surely, 2^55105633739 is an apocalyptic number.

55105633739 is a deficient number, since it is larger than the sum of its proper divisors (7729749781).

55105633739 is a wasteful number, since it uses less digits than its factorization.

55105633739 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249346789.

The product of its (nonzero) digits is 1275750, while the sum is 47.

The spelling of 55105633739 in words is "fifty-five billion, one hundred five million, six hundred thirty-three thousand, seven hundred thirty-nine".