55964261 has 2 divisors, whose sum is σ = 55964262. Its totient is φ = 55964260.

The previous prime is 55964243. The next prime is 55964309. The reversal of 55964261 is 16246955.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 33930625 + 22033636 = 5825^2 + 4694^2 .

It is a cyclic number.

It is not a de Polignac number, because 55964261 - 2¹⁴ = 55947877 is a prime.

It is a super-2 number, since 2×55964261² = 6263997018552242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55964231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27982130 + 27982131.

It is an arithmetic number, because the mean of its divisors is an integer number (27982131).

Almost surely, 2^55964261 is an apocalyptic number.

It is an amenable number.

55964261 is a deficient number, since it is larger than the sum of its proper divisors (1).

55964261 is an equidigital number, since it uses as much as digits as its factorization.

55964261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 64800, while the sum is 38.

The square root of 55964261 is about 7480.9264800558. The cubic root of 55964261 is about 382.5048308445.

The spelling of 55964261 in words is "fifty-five million, nine hundred sixty-four thousand, two hundred sixty-one".