55556105061 has 16 divisors (see below), whose sum is σ = 76086017408. Its totient is φ = 36032040000.

The previous prime is 55556105057. The next prime is 55556105071. The reversal of 55556105061 is 16050165555.

It is not a de Polignac number, because 55556105061 - 2² = 55556105057 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 (55556105071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1073736 + ... + 1124286.

It is an arithmetic number, because the mean of its divisors is an integer number (4755376088).

Almost surely, 2^55556105061 is an apocalyptic number.

It is an amenable number.

55556105061 is a deficient number, since it is larger than the sum of its proper divisors (20529912347).

55556105061 is a wasteful number, since it uses less digits than its factorization.

55556105061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60492.

The product of its (nonzero) digits is 112500, while the sum is 39.

It can be divided in two parts, 555561050 and 61, that added together give a triangular number (555561111 = T₃₃₃₃₃).

The spelling of 55556105061 in words is "fifty-five billion, five hundred fifty-six million, one hundred five thousand, sixty-one".