55572161111063 has 4 divisors (see below), whose sum is σ = 57074111411400. Its totient is φ = 54070210810728.

The previous prime is 55572161111059. The next prime is 55572161111083. The reversal of 55572161111063 is 36011116127555.

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 55572161111063 - 2² = 55572161111059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55572161111083) 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, 750975150113 + ... + 750975150186.

It is an arithmetic number, because the mean of its divisors is an integer number (14268527852850).

Almost surely, 2^{55572161111063} is an apocalyptic number.

55572161111063 is a deficient number, since it is larger than the sum of its proper divisors (1501950300337).

55572161111063 is a wasteful number, since it uses less digits than its factorization.

55572161111063 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1501950300336.

The product of its (nonzero) digits is 189000, while the sum is 44.

The spelling of 55572161111063 in words is "fifty-five trillion, five hundred seventy-two billion, one hundred sixty-one million, one hundred eleven thousand, sixty-three".