55565065501651 has 4 divisors (see below), whose sum is σ = 58833598766472. Its totient is φ = 52296532236832.

The previous prime is 55565065501643. The next prime is 55565065501669. The reversal of 55565065501651 is 15610556056555.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55565065501651 - 2³ = 55565065501643 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55565065501592 and 55565065501601.

It is not an unprimeable number, because it can be changed into a prime (55565065501051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634266632385 + ... + 1634266632418.

It is an arithmetic number, because the mean of its divisors is an integer number (14708399691618).

Almost surely, 2^{55565065501651} is an apocalyptic number.

55565065501651 is a deficient number, since it is larger than the sum of its proper divisors (3268533264821).

55565065501651 is a wasteful number, since it uses less digits than its factorization.

55565065501651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268533264820.

The product of its (nonzero) digits is 16875000, while the sum is 55.

The spelling of 55565065501651 in words is "fifty-five trillion, five hundred sixty-five billion, sixty-five million, five hundred one thousand, six hundred fifty-one".