55234261 has 2 divisors, whose sum is σ = 55234262. Its totient is φ = 55234260.

The previous prime is 55234253. The next prime is 55234271. The reversal of 55234261 is 16243255.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 51696100 + 3538161 = 7190^2 + 1881^2 .

It is a cyclic number.

It is not a de Polignac number, because 55234261 - 2³ = 55234253 is a prime.

It is a super-2 number, since 2×55234261² = 6101647176432242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55234271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27617130 + 27617131.

It is an arithmetic number, because the mean of its divisors is an integer number (27617131).

Almost surely, 2^55234261 is an apocalyptic number.

It is an amenable number.

55234261 is a deficient number, since it is larger than the sum of its proper divisors (1).

55234261 is an equidigital number, since it uses as much as digits as its factorization.

55234261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7200, while the sum is 28.

The square root of 55234261 is about 7431.9755785390. The cubic root of 55234261 is about 380.8344106743.

The spelling of 55234261 in words is "fifty-five million, two hundred thirty-four thousand, two hundred sixty-one".