55425827 has 2 divisors, whose sum is σ = 55425828. Its totient is φ = 55425826.

The previous prime is 55425803. The next prime is 55425829. The reversal of 55425827 is 72852455.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55425827 is a prime.

Together with 55425829, 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 (55425829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27712913 + 27712914.

It is an arithmetic number, because the mean of its divisors is an integer number (27712914).

Almost surely, 2^55425827 is an apocalyptic number.

55425827 is a deficient number, since it is larger than the sum of its proper divisors (1).

55425827 is an equidigital number, since it uses as much as digits as its factorization.

55425827 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 112000, while the sum is 38.

The square root of 55425827 is about 7444.8523826870. The cubic root of 55425827 is about 381.2741784541.

The spelling of 55425827 in words is "fifty-five million, four hundred twenty-five thousand, eight hundred twenty-seven".