55120127 has 2 divisors, whose sum is σ = 55120128. Its totient is φ = 55120126.

The previous prime is 55120123. The next prime is 55120147. The reversal of 55120127 is 72102155.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55120127 - 2² = 55120123 is a prime.

It is a super-2 number, since 2×55120127² = 6076456800992258, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55120123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27560063 + 27560064.

It is an arithmetic number, because the mean of its divisors is an integer number (27560064).

Almost surely, 2^55120127 is an apocalyptic number.

55120127 is a deficient number, since it is larger than the sum of its proper divisors (1).

55120127 is an equidigital number, since it uses as much as digits as its factorization.

55120127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 700, while the sum is 23.

The square root of 55120127 is about 7424.2930303161. The cubic root of 55120127 is about 380.5719158194.

The spelling of 55120127 in words is "fifty-five million, one hundred twenty thousand, one hundred twenty-seven".