55396433 has 2 divisors, whose sum is σ = 55396434. Its totient is φ = 55396432.

The previous prime is 55396423. The next prime is 55396447. The reversal of 55396433 is 33469355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46676224 + 8720209 = 6832^2 + 2953^2 .

It is a cyclic number.

It is not a de Polignac number, because 55396433 - 2⁴ = 55396417 is a prime.

It is not a weakly prime, because it can be changed into another prime (55396423) 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, 27698216 + 27698217.

It is an arithmetic number, because the mean of its divisors is an integer number (27698217).

Almost surely, 2^55396433 is an apocalyptic number.

It is an amenable number.

55396433 is a deficient number, since it is larger than the sum of its proper divisors (1).

55396433 is an equidigital number, since it uses as much as digits as its factorization.

55396433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 145800, while the sum is 38.

The square root of 55396433 is about 7442.8780051805. The cubic root of 55396433 is about 381.2067661088.

The spelling of 55396433 in words is "fifty-five million, three hundred ninety-six thousand, four hundred thirty-three".