55233253 has 2 divisors, whose sum is σ = 55233254. Its totient is φ = 55233252.

The previous prime is 55233251. The next prime is 55233271. The reversal of 55233253 is 35233255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33907329 + 21325924 = 5823^2 + 4618^2 .

It is a cyclic number.

It is not a de Polignac number, because 55233253 - 2¹ = 55233251 is a prime.

Together with 55233251, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55233251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27616626 + 27616627.

It is an arithmetic number, because the mean of its divisors is an integer number (27616627).

Almost surely, 2^55233253 is an apocalyptic number.

It is an amenable number.

55233253 is a deficient number, since it is larger than the sum of its proper divisors (1).

55233253 is an equidigital number, since it uses as much as digits as its factorization.

55233253 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13500, while the sum is 28.

The square root of 55233253 is about 7431.9077631521. The cubic root of 55233253 is about 380.8320939756.

The spelling of 55233253 in words is "fifty-five million, two hundred thirty-three thousand, two hundred fifty-three".