55505100050501 has 16 divisors (see below), whose sum is σ = 59366558845440. Its totient is φ = 51765875863680.

The previous prime is 55505100050497. The next prime is 55505100050513. The reversal of 55505100050501 is 10505000150555.

It is a cyclic number.

It is not a de Polignac number, because 55505100050501 - 2² = 55505100050497 is a prime.

It is a super-2 number, since 2×55505100050501² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505100050581) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16059485 + ... + 19207218.

It is an arithmetic number, because the mean of its divisors is an integer number (3710409927840).

Almost surely, 2^{55505100050501} is an apocalyptic number.

It is an amenable number.

55505100050501 is a deficient number, since it is larger than the sum of its proper divisors (3861458794939).

55505100050501 is a wasteful number, since it uses less digits than its factorization.

55505100050501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35268436.

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

The spelling of 55505100050501 in words is "fifty-five trillion, five hundred five billion, one hundred million, fifty thousand, five hundred one".