55100505605501 has 16 divisors (see below), whose sum is σ = 55721180007360. Its totient is φ = 54483086371200.

The previous prime is 55100505605441. The next prime is 55100505605507. The reversal of 55100505605501 is 10550650500155.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 55100505605501 - 2¹⁰ = 55100505604477 is a prime.

It is a super-2 number, since 2×55100505605501² (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 (55100505605507) 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, 171242570 + ... + 171564036.

It is an arithmetic number, because the mean of its divisors is an integer number (3482573750460).

Almost surely, 2^{55100505605501} is an apocalyptic number.

It is an amenable number.

55100505605501 is a deficient number, since it is larger than the sum of its proper divisors (620674401859).

55100505605501 is a wasteful number, since it uses less digits than its factorization.

55100505605501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326524.

The product of its (nonzero) digits is 93750, while the sum is 38.

The spelling of 55100505605501 in words is "fifty-five trillion, one hundred billion, five hundred five million, six hundred five thousand, five hundred one".