55253963 has 2 divisors, whose sum is σ = 55253964. Its totient is φ = 55253962.

The previous prime is 55253941. The next prime is 55253971. The reversal of 55253963 is 36935255.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55253963 - 2¹² = 55249867 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (55253923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27626981 + 27626982.

It is an arithmetic number, because the mean of its divisors is an integer number (27626982).

Almost surely, 2^55253963 is an apocalyptic number.

55253963 is a deficient number, since it is larger than the sum of its proper divisors (1).

55253963 is an equidigital number, since it uses as much as digits as its factorization.

55253963 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 121500, while the sum is 38.

The square root of 55253963 is about 7433.3009491073. The cubic root of 55253963 is about 380.8796863629.

The spelling of 55253963 in words is "fifty-five million, two hundred fifty-three thousand, nine hundred sixty-three".