55406963 has 2 divisors, whose sum is σ = 55406964. Its totient is φ = 55406962.

The previous prime is 55406957. The next prime is 55406969. The reversal of 55406963 is 36960455.

It is a balanced prime because it is at equal distance from previous prime (55406957) and next prime (55406969).

It is a cyclic number.

It is not a de Polignac number, because 55406963 - 2⁸ = 55406707 is a prime.

It is not a weakly prime, because it can be changed into another prime (55406969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27703481 + 27703482.

It is an arithmetic number, because the mean of its divisors is an integer number (27703482).

Almost surely, 2^55406963 is an apocalyptic number.

55406963 is a deficient number, since it is larger than the sum of its proper divisors (1).

55406963 is an equidigital number, since it uses as much as digits as its factorization.

55406963 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 55406963 is about 7443.5853592204. The cubic root of 55406963 is about 381.2309184036.

The spelling of 55406963 in words is "fifty-five million, four hundred six thousand, nine hundred sixty-three".