53956261 has 2 divisors, whose sum is σ = 53956262. Its totient is φ = 53956260.

The previous prime is 53956207. The next prime is 53956277. The reversal of 53956261 is 16265935.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50680161 + 3276100 = 7119^2 + 1810^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53956261 is a prime.

It is a super-2 number, since 2×53956261² = 5822556202200242, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53956261.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53956061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26978130 + 26978131.

It is an arithmetic number, because the mean of its divisors is an integer number (26978131).

Almost surely, 2^53956261 is an apocalyptic number.

It is an amenable number.

53956261 is a deficient number, since it is larger than the sum of its proper divisors (1).

53956261 is an equidigital number, since it uses as much as digits as its factorization.

53956261 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48600, while the sum is 37.

The square root of 53956261 is about 7345.4925634705. The cubic root of 53956261 is about 377.8742361310.

The spelling of 53956261 in words is "fifty-three million, nine hundred fifty-six thousand, two hundred sixty-one".