55066055 has 16 divisors (see below), whose sum is σ = 72412704. Its totient is φ = 39866880.

The previous prime is 55066051. The next prime is 55066061.

55066055 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55066055 - 2² = 55066051 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 (55066051) 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, 10667 + ... + 14963.

It is an arithmetic number, because the mean of its divisors is an integer number (4525794).

Almost surely, 2^55066055 is an apocalyptic number.

55066055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55066055 is a deficient number, since it is larger than the sum of its proper divisors (17346649).

55066055 is a wasteful number, since it uses less digits than its factorization.

55066055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4546.

The product of its (nonzero) digits is 22500, while the sum is 32.

The square root of 55066055 is about 7420.6505779480. The cubic root of 55066055 is about 380.4474300316.

The spelling of 55066055 in words is "fifty-five million, sixty-six thousand, fifty-five".