53093561 has 2 divisors, whose sum is σ = 53093562. Its totient is φ = 53093560.

The previous prime is 53093539. The next prime is 53093627. The reversal of 53093561 is 16539035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44302336 + 8791225 = 6656^2 + 2965^2 .

It is a cyclic number.

It is not a de Polignac number, because 53093561 - 2⁶ = 53093497 is a prime.

It is not a weakly prime, because it can be changed into another prime (53092561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26546780 + 26546781.

It is an arithmetic number, because the mean of its divisors is an integer number (26546781).

Almost surely, 2^53093561 is an apocalyptic number.

It is an amenable number.

53093561 is a deficient number, since it is larger than the sum of its proper divisors (1).

53093561 is an equidigital number, since it uses as much as digits as its factorization.

53093561 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12150, while the sum is 32.

The square root of 53093561 is about 7286.5328517753. The cubic root of 53093561 is about 375.8494780974.

The spelling of 53093561 in words is "fifty-three million, ninety-three thousand, five hundred sixty-one".