55360427 has 2 divisors, whose sum is σ = 55360428. Its totient is φ = 55360426.

The previous prime is 55360421. The next prime is 55360429. The reversal of 55360427 is 72406355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55360427 - 2⁴ = 55360411 is a prime.

Together with 55360429, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55360393 and 55360402.

It is not a weakly prime, because it can be changed into another prime (55360421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27680213 + 27680214.

It is an arithmetic number, because the mean of its divisors is an integer number (27680214).

Almost surely, 2^55360427 is an apocalyptic number.

55360427 is a deficient number, since it is larger than the sum of its proper divisors (1).

55360427 is an equidigital number, since it uses as much as digits as its factorization.

55360427 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 55360427 is about 7440.4587896177. The cubic root of 55360427 is about 381.1241572661.

The spelling of 55360427 in words is "fifty-five million, three hundred sixty thousand, four hundred twenty-seven".