55561100006969 has 4 divisors (see below), whose sum is σ = 57976800007296. Its totient is φ = 53145400006644.

The previous prime is 55561100006957. The next prime is 55561100006977. The reversal of 55561100006969 is 96960000116555.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55561100006969 is a prime.

It is a super-2 number, since 2×55561100006969² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55561100006969.

It is not an unprimeable number, because it can be changed into a prime (55561100006369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1207850000129 + ... + 1207850000174.

It is an arithmetic number, because the mean of its divisors is an integer number (14494200001824).

Almost surely, 2^{55561100006969} is an apocalyptic number.

It is an amenable number.

55561100006969 is a deficient number, since it is larger than the sum of its proper divisors (2415700000327).

55561100006969 is a wasteful number, since it uses less digits than its factorization.

55561100006969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2415700000326.

The product of its (nonzero) digits is 2187000, while the sum is 53.

The spelling of 55561100006969 in words is "fifty-five trillion, five hundred sixty-one billion, one hundred million, six thousand, nine hundred sixty-nine".