55669073 has 2 divisors, whose sum is σ = 55669074. Its totient is φ = 55669072.

The previous prime is 55669063. The next prime is 55669093. The reversal of 55669073 is 37096655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48205249 + 7463824 = 6943^2 + 2732^2 .

It is a cyclic number.

It is not a de Polignac number, because 55669073 - 2⁸ = 55668817 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55669073.

It is not a weakly prime, because it can be changed into another prime (55669043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27834536 + 27834537.

It is an arithmetic number, because the mean of its divisors is an integer number (27834537).

Almost surely, 2^55669073 is an apocalyptic number.

It is an amenable number.

55669073 is a deficient number, since it is larger than the sum of its proper divisors (1).

55669073 is an equidigital number, since it uses as much as digits as its factorization.

55669073 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 170100, while the sum is 41.

The square root of 55669073 is about 7461.1710206911. The cubic root of 55669073 is about 381.8311274436.

The spelling of 55669073 in words is "fifty-five million, six hundred sixty-nine thousand, seventy-three".