55545107 has 2 divisors, whose sum is σ = 55545108. Its totient is φ = 55545106.

The previous prime is 55545089. The next prime is 55545109. The reversal of 55545107 is 70154555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55545107 - 2¹⁴ = 55528723 is a prime.

Together with 55545109, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55545109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27772553 + 27772554.

It is an arithmetic number, because the mean of its divisors is an integer number (27772554).

Almost surely, 2^55545107 is an apocalyptic number.

55545107 is a deficient number, since it is larger than the sum of its proper divisors (1).

55545107 is an equidigital number, since it uses as much as digits as its factorization.

55545107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17500, while the sum is 32.

The square root of 55545107 is about 7452.8589816258. The cubic root of 55545107 is about 381.5474914639.

The spelling of 55545107 in words is "fifty-five million, five hundred forty-five thousand, one hundred seven".