53642461 has 2 divisors, whose sum is σ = 53642462. Its totient is φ = 53642460.

The previous prime is 53642443. The next prime is 53642467. The reversal of 53642461 is 16424635.

53642461 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 can be written as a sum of positive squares in only one way, i.e., 44756100 + 8886361 = 6690^2 + 2981^2 .

It is a cyclic number.

It is not a de Polignac number, because 53642461 - 2⁷ = 53642333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53642467) 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, 26821230 + 26821231.

It is an arithmetic number, because the mean of its divisors is an integer number (26821231).

Almost surely, 2^53642461 is an apocalyptic number.

It is an amenable number.

53642461 is a deficient number, since it is larger than the sum of its proper divisors (1).

53642461 is an equidigital number, since it uses as much as digits as its factorization.

53642461 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 53642461 is about 7324.1013783262. The cubic root of 53642461 is about 377.1402616560.

The spelling of 53642461 in words is "fifty-three million, six hundred forty-two thousand, four hundred sixty-one".