53932561 has 2 divisors, whose sum is σ = 53932562. Its totient is φ = 53932560.

The previous prime is 53932553. The next prime is 53932579. The reversal of 53932561 is 16523935.

It is a happy number.

53932561 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36966400 + 16966161 = 6080^2 + 4119^2 .

It is a cyclic number.

It is not a de Polignac number, because 53932561 - 2³ = 53932553 is a prime.

It is a super-2 number, since 2×53932561² = 5817442272037442, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53932511) 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, 26966280 + 26966281.

It is an arithmetic number, because the mean of its divisors is an integer number (26966281).

Almost surely, 2^53932561 is an apocalyptic number.

It is an amenable number.

53932561 is a deficient number, since it is larger than the sum of its proper divisors (1).

53932561 is an equidigital number, since it uses as much as digits as its factorization.

53932561 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 24300, while the sum is 34.

The square root of 53932561 is about 7343.8791520558. The cubic root of 53932561 is about 377.8189016138.

The spelling of 53932561 in words is "fifty-three million, nine hundred thirty-two thousand, five hundred sixty-one".