55733291 has 2 divisors, whose sum is σ = 55733292. Its totient is φ = 55733290.

The previous prime is 55733239. The next prime is 55733299. The reversal of 55733291 is 19233755.

It is a happy number.

55733291 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55733291 - 2¹⁰ = 55732267 is a prime.

It is not a weakly prime, because it can be changed into another prime (55733299) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27866645 + 27866646.

It is an arithmetic number, because the mean of its divisors is an integer number (27866646).

Almost surely, 2^55733291 is an apocalyptic number.

55733291 is a deficient number, since it is larger than the sum of its proper divisors (1).

55733291 is an equidigital number, since it uses as much as digits as its factorization.

55733291 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28350, while the sum is 35.

The square root of 55733291 is about 7465.4732602830. The cubic root of 55733291 is about 381.9778936066.

The spelling of 55733291 in words is "fifty-five million, seven hundred thirty-three thousand, two hundred ninety-one".