55469329 has 2 divisors, whose sum is σ = 55469330. Its totient is φ = 55469328.

The previous prime is 55469321. The next prime is 55469357. The reversal of 55469329 is 92396455.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 53993104 + 1476225 = 7348^2 + 1215^2 .

It is a cyclic number.

It is not a de Polignac number, because 55469329 - 2³ = 55469321 is a prime.

It is not a weakly prime, because it can be changed into another prime (55469321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27734664 + 27734665.

It is an arithmetic number, because the mean of its divisors is an integer number (27734665).

Almost surely, 2^55469329 is an apocalyptic number.

It is an amenable number.

55469329 is a deficient number, since it is larger than the sum of its proper divisors (1).

55469329 is an equidigital number, since it uses as much as digits as its factorization.

55469329 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 43.

The square root of 55469329 is about 7447.7734256622. The cubic root of 55469329 is about 381.3739024322.

The spelling of 55469329 in words is "fifty-five million, four hundred sixty-nine thousand, three hundred twenty-nine".