55353967 has 2 divisors, whose sum is σ = 55353968. Its totient is φ = 55353966.

The previous prime is 55353917. The next prime is 55353979. The reversal of 55353967 is 76935355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55353967 - 2¹⁵ = 55321199 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55353917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27676983 + 27676984.

It is an arithmetic number, because the mean of its divisors is an integer number (27676984).

Almost surely, 2^55353967 is an apocalyptic number.

55353967 is a deficient number, since it is larger than the sum of its proper divisors (1).

55353967 is an equidigital number, since it uses as much as digits as its factorization.

55353967 is an evil number, because the sum of its binary digits is even.

The product of its digits is 425250, while the sum is 43.

The square root of 55353967 is about 7440.0246639376. The cubic root of 55353967 is about 381.1093322490.

The spelling of 55353967 in words is "fifty-five million, three hundred fifty-three thousand, nine hundred sixty-seven".