55961063 has 2 divisors, whose sum is σ = 55961064. Its totient is φ = 55961062.

The previous prime is 55961027. The next prime is 55961083. The reversal of 55961063 is 36016955.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55961063 - 2⁶ = 55960999 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55961083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27980531 + 27980532.

It is an arithmetic number, because the mean of its divisors is an integer number (27980532).

Almost surely, 2^55961063 is an apocalyptic number.

55961063 is a deficient number, since it is larger than the sum of its proper divisors (1).

55961063 is an equidigital number, since it uses as much as digits as its factorization.

55961063 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24300, while the sum is 35.

The square root of 55961063 is about 7480.7127334232. The cubic root of 55961063 is about 382.4975448032.

The spelling of 55961063 in words is "fifty-five million, nine hundred sixty-one thousand, sixty-three".