55467961 has 2 divisors, whose sum is σ = 55467962. Its totient is φ = 55467960.

The previous prime is 55467947. The next prime is 55467967. The reversal of 55467961 is 16976455.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54110736 + 1357225 = 7356^2 + 1165^2 .

It is a cyclic number.

It is not a de Polignac number, because 55467961 - 2⁷ = 55467833 is a prime.

It is not a weakly prime, because it can be changed into another prime (55467967) 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, 27733980 + 27733981.

It is an arithmetic number, because the mean of its divisors is an integer number (27733981).

Almost surely, 2^55467961 is an apocalyptic number.

It is an amenable number.

55467961 is a deficient number, since it is larger than the sum of its proper divisors (1).

55467961 is an equidigital number, since it uses as much as digits as its factorization.

55467961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 226800, while the sum is 43.

The square root of 55467961 is about 7447.6815855674. The cubic root of 55467961 is about 381.3707672233.

The spelling of 55467961 in words is "fifty-five million, four hundred sixty-seven thousand, nine hundred sixty-one".