55661511041 has 4 divisors (see below), whose sum is σ = 55662079572. Its totient is φ = 55660942512.

The previous prime is 55661511029. The next prime is 55661511049. The reversal of 55661511041 is 14011516655.

It is a happy number.

55661511041 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 17371240000 + 38290271041 = 131800^2 + 195679^2 .

It is a cyclic number.

It is not a de Polignac number, because 55661511041 - 2¹⁰ = 55661510017 is a prime.

It is a super-2 number, since 2×55661511041² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55661510992 and 55661511010.

It is not an unprimeable number, because it can be changed into a prime (55661511049) 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, 95726 + ... + 347111.

It is an arithmetic number, because the mean of its divisors is an integer number (13915519893).

Almost surely, 2^55661511041 is an apocalyptic number.

It is an amenable number.

55661511041 is a deficient number, since it is larger than the sum of its proper divisors (568531).

55661511041 is a wasteful number, since it uses less digits than its factorization.

55661511041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 568530.

The product of its (nonzero) digits is 18000, while the sum is 35.

The spelling of 55661511041 in words is "fifty-five billion, six hundred sixty-one million, five hundred eleven thousand, forty-one".