55090363 has 2 divisors, whose sum is σ = 55090364. Its totient is φ = 55090362.

The previous prime is 55090361. The next prime is 55090369. The reversal of 55090363 is 36309055.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55090363 - 2¹ = 55090361 is a prime.

Together with 55090361, it forms a pair of twin primes.

It is equal to p_3287335 and since 55090363 and 3287335 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (55090361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27545181 + 27545182.

It is an arithmetic number, because the mean of its divisors is an integer number (27545182).

Almost surely, 2^55090363 is an apocalyptic number.

55090363 is a deficient number, since it is larger than the sum of its proper divisors (1).

55090363 is an equidigital number, since it uses as much as digits as its factorization.

55090363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 31.

The square root of 55090363 is about 7422.2882590209. The cubic root of 55090363 is about 380.5034025400.

The spelling of 55090363 in words is "fifty-five million, ninety thousand, three hundred sixty-three".