55505105501 has 8 divisors (see below), whose sum is σ = 58181190144. Its totient is φ = 52891987680.

The previous prime is 55505105483. The next prime is 55505105531. The reversal of 55505105501 is 10550150555.

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

It is a de Polignac number, because none of the positive numbers 2^k-55505105501 is a prime.

It is a super-2 number, since 2×55505105501² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505105531) 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, 15739901 + ... + 15743426.

It is an arithmetic number, because the mean of its divisors is an integer number (7272648768).

Almost surely, 2^55505105501 is an apocalyptic number.

It is an amenable number.

55505105501 is a deficient number, since it is larger than the sum of its proper divisors (2676084643).

55505105501 is a wasteful number, since it uses less digits than its factorization.

55505105501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31483411.

The product of its (nonzero) digits is 15625, while the sum is 32.

The spelling of 55505105501 in words is "fifty-five billion, five hundred five million, one hundred five thousand, five hundred one".