55110560550061 has 8 divisors (see below), whose sum is σ = 55153206219384. Its totient is φ = 55067922216960.

The previous prime is 55110560550053. The next prime is 55110560550107. The reversal of 55110560550061 is 16005506501155.

It can be written as a sum of positive squares in 4 ways, for example, as 2504638586025 + 52605921964036 = 1582605^2 + 7252994^2 .

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 55110560550061 - 2³ = 55110560550053 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55110560549996 and 55110560550023.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55110560556061) 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, 13243911 + ... + 16900363.

It is an arithmetic number, because the mean of its divisors is an integer number (6894150777423).

Almost surely, 2^{55110560550061} is an apocalyptic number.

It is an amenable number.

55110560550061 is a deficient number, since it is larger than the sum of its proper divisors (42645669323).

55110560550061 is a wasteful number, since it uses less digits than its factorization.

55110560550061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668111.

The product of its (nonzero) digits is 112500, while the sum is 40.

The spelling of 55110560550061 in words is "fifty-five trillion, one hundred ten billion, five hundred sixty million, five hundred fifty thousand, sixty-one".