55528339 has 2 divisors, whose sum is σ = 55528340. Its totient is φ = 55528338.

The previous prime is 55528331. The next prime is 55528349. The reversal of 55528339 is 93382555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55528339 - 2³ = 55528331 is a prime.

It is not a weakly prime, because it can be changed into another prime (55528331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27764169 + 27764170.

It is an arithmetic number, because the mean of its divisors is an integer number (27764170).

Almost surely, 2^55528339 is an apocalyptic number.

55528339 is a deficient number, since it is larger than the sum of its proper divisors (1).

55528339 is an equidigital number, since it uses as much as digits as its factorization.

55528339 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 162000, while the sum is 40.

The square root of 55528339 is about 7451.7339592876. The cubic root of 55528339 is about 381.5090936489.

The spelling of 55528339 in words is "fifty-five million, five hundred twenty-eight thousand, three hundred thirty-nine".