55332539 has 2 divisors, whose sum is σ = 55332540. Its totient is φ = 55332538.

The previous prime is 55332523. The next prime is 55332559. The reversal of 55332539 is 93523355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55332539 - 2⁴ = 55332523 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55332499 and 55332508.

It is not a weakly prime, because it can be changed into another prime (55332559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27666269 + 27666270.

It is an arithmetic number, because the mean of its divisors is an integer number (27666270).

Almost surely, 2^55332539 is an apocalyptic number.

55332539 is a deficient number, since it is larger than the sum of its proper divisors (1).

55332539 is an equidigital number, since it uses as much as digits as its factorization.

55332539 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60750, while the sum is 35.

The square root of 55332539 is about 7438.5844755572. The cubic root of 55332539 is about 381.0601489944.

The spelling of 55332539 in words is "fifty-five million, three hundred thirty-two thousand, five hundred thirty-nine".