55005772005 has 80 divisors (see below), whose sum is σ = 100644741120. Its totient is φ = 28734870528.

The previous prime is 55005771983. The next prime is 55005772007. The reversal of 55005772005 is 50027750055.

It is not a de Polignac number, because 55005772005 - 2³² = 50710804709 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005772007) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4056597 + ... + 4070133.

It is an arithmetic number, because the mean of its divisors is an integer number (1258059264).

Almost surely, 2^55005772005 is an apocalyptic number.

It is an amenable number.

55005772005 is a deficient number, since it is larger than the sum of its proper divisors (45638969115).

55005772005 is a wasteful number, since it uses less digits than its factorization.

55005772005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13760 (or 13751 counting only the distinct ones).

The product of its (nonzero) digits is 61250, while the sum is 36.

The spelling of 55005772005 in words is "fifty-five billion, five million, seven hundred seventy-two thousand, five".