55256329 has 2 divisors, whose sum is σ = 55256330. Its totient is φ = 55256328.

The previous prime is 55256317. The next prime is 55256371. The reversal of 55256329 is 92365255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 31753225 + 23503104 = 5635^2 + 4848^2 .

It is a cyclic number.

It is not a de Polignac number, because 55256329 - 2¹⁵ = 55223561 is a prime.

It is a pancake number, because a pancake can be divided into 55256329 parts by 10512 straight cuts.

It is not a weakly prime, because it can be changed into another prime (55256029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27628164 + 27628165.

It is an arithmetic number, because the mean of its divisors is an integer number (27628165).

Almost surely, 2^55256329 is an apocalyptic number.

It is an amenable number.

55256329 is a deficient number, since it is larger than the sum of its proper divisors (1).

55256329 is an equidigital number, since it uses as much as digits as its factorization.

55256329 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 81000, while the sum is 37.

The square root of 55256329 is about 7433.4600960791. The cubic root of 55256329 is about 380.8851227662.

The spelling of 55256329 in words is "fifty-five million, two hundred fifty-six thousand, three hundred twenty-nine".