55468669 has 2 divisors, whose sum is σ = 55468670. Its totient is φ = 55468668.

The previous prime is 55468639. The next prime is 55468681. The reversal of 55468669 is 96686455.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52388644 + 3080025 = 7238^2 + 1755^2 .

It is a cyclic number.

It is not a de Polignac number, because 55468669 - 2¹⁹ = 54944381 is a prime.

It is a super-2 number, since 2×55468669² = 6153546481263122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55468639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27734334 + 27734335.

It is an arithmetic number, because the mean of its divisors is an integer number (27734335).

Almost surely, 2^55468669 is an apocalyptic number.

It is an amenable number.

55468669 is a deficient number, since it is larger than the sum of its proper divisors (1).

55468669 is an equidigital number, since it uses as much as digits as its factorization.

55468669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1555200, while the sum is 49.

The square root of 55468669 is about 7447.7291169859. The cubic root of 55468669 is about 381.3723898379.

The spelling of 55468669 in words is "fifty-five million, four hundred sixty-eight thousand, six hundred sixty-nine".