55705558061 has 8 divisors (see below), whose sum is σ = 59004552384. Its totient is φ = 52409030080.

The previous prime is 55705558057. The next prime is 55705558087. The reversal of 55705558061 is 16085550755.

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 55705558061 - 2² = 55705558057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 55705557997 and 55705558015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55705558021) 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, 569975 + ... + 660516.

It is an arithmetic number, because the mean of its divisors is an integer number (7375569048).

Almost surely, 2^55705558061 is an apocalyptic number.

It is an amenable number.

55705558061 is a deficient number, since it is larger than the sum of its proper divisors (3298994323).

55705558061 is a wasteful number, since it uses less digits than its factorization.

55705558061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233171.

The product of its (nonzero) digits is 1050000, while the sum is 47.

The spelling of 55705558061 in words is "fifty-five billion, seven hundred five million, five hundred fifty-eight thousand, sixty-one".