55125667 has 2 divisors, whose sum is σ = 55125668. Its totient is φ = 55125666.

The previous prime is 55125661. The next prime is 55125677. The reversal of 55125667 is 76652155.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55125667 - 2³ = 55125659 is a prime.

It is not a weakly prime, because it can be changed into another prime (55125661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27562833 + 27562834.

It is an arithmetic number, because the mean of its divisors is an integer number (27562834).

Almost surely, 2^55125667 is an apocalyptic number.

55125667 is a deficient number, since it is larger than the sum of its proper divisors (1).

55125667 is an equidigital number, since it uses as much as digits as its factorization.

55125667 is an evil number, because the sum of its binary digits is even.

The product of its digits is 63000, while the sum is 37.

The square root of 55125667 is about 7424.6661204394. Note that the first 3 decimals coincide. The cubic root of 55125667 is about 380.5846655347.

The spelling of 55125667 in words is "fifty-five million, one hundred twenty-five thousand, six hundred sixty-seven".