55394851 has 2 divisors, whose sum is σ = 55394852. Its totient is φ = 55394850.

The previous prime is 55394849. The next prime is 55394903. The reversal of 55394851 is 15849355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55394851 - 2¹ = 55394849 is a prime.

Together with 55394849, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (55394351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27697425 + 27697426.

It is an arithmetic number, because the mean of its divisors is an integer number (27697426).

Almost surely, 2^55394851 is an apocalyptic number.

55394851 is a deficient number, since it is larger than the sum of its proper divisors (1).

55394851 is an equidigital number, since it uses as much as digits as its factorization.

55394851 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 108000, while the sum is 40.

The square root of 55394851 is about 7442.7717283281. The cubic root of 55394851 is about 381.2031372660.

The spelling of 55394851 in words is "fifty-five million, three hundred ninety-four thousand, eight hundred fifty-one".