55101655660505 has 8 divisors (see below), whose sum is σ = 66122109523392. Its totient is φ = 44081242707888.

The previous prime is 55101655660481. The next prime is 55101655660507. The reversal of 55101655660505 is 50506655610155.

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

It is a cyclic number.

It is not a de Polignac number, because 55101655660505 - 2⁴⁰ = 54002144032729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55101655660507) 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, 7181957 + ... + 12719426.

It is an arithmetic number, because the mean of its divisors is an integer number (8265263690424).

Almost surely, 2^{55101655660505} is an apocalyptic number.

It is an amenable number.

55101655660505 is a deficient number, since it is larger than the sum of its proper divisors (11020453862887).

55101655660505 is a wasteful number, since it uses less digits than its factorization.

55101655660505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20455135.

The product of its (nonzero) digits is 3375000, while the sum is 50.

The spelling of 55101655660505 in words is "fifty-five trillion, one hundred one billion, six hundred fifty-five million, six hundred sixty thousand, five hundred five".