55182007 has 2 divisors, whose sum is σ = 55182008. Its totient is φ = 55182006.

The previous prime is 55181999. The next prime is 55182031. The reversal of 55182007 is 70028155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55182007 - 2³ = 55181999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55182097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27591003 + 27591004.

It is an arithmetic number, because the mean of its divisors is an integer number (27591004).

Almost surely, 2^55182007 is an apocalyptic number.

55182007 is a deficient number, since it is larger than the sum of its proper divisors (1).

55182007 is an equidigital number, since it uses as much as digits as its factorization.

55182007 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2800, while the sum is 28.

The square root of 55182007 is about 7428.4592615158. The cubic root of 55182007 is about 380.7142775076.

The spelling of 55182007 in words is "fifty-five million, one hundred eighty-two thousand, seven".