55056005 has 4 divisors (see below), whose sum is σ = 66067212. Its totient is φ = 44044800.

The previous prime is 55055999. The next prime is 55056017. The reversal of 55056005 is 50065055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 50065055 = 5 ⋅10013011.

It can be written as a sum of positive squares in 2 ways, for example, as 12623809 + 42432196 = 3553^2 + 6514^2 .

It is a de Polignac number, because none of the positive numbers 2^k-55056005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505596 + ... + 5505605.

It is an arithmetic number, because the mean of its divisors is an integer number (16516803).

Almost surely, 2^55056005 is an apocalyptic number.

It is an amenable number.

55056005 is a deficient number, since it is larger than the sum of its proper divisors (11011207).

55056005 is a wasteful number, since it uses less digits than its factorization.

55056005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11011206.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55056005 is about 7419.9733827016. The cubic root of 55056005 is about 380.4242837133.

The spelling of 55056005 in words is "fifty-five million, fifty-six thousand, five".