53988611 has 2 divisors, whose sum is σ = 53988612. Its totient is φ = 53988610.

The previous prime is 53988581. The next prime is 53988631. The reversal of 53988611 is 11688935.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53988611 is a prime.

It is not a weakly prime, because it can be changed into another prime (53988631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26994305 + 26994306.

It is an arithmetic number, because the mean of its divisors is an integer number (26994306).

Almost surely, 2^53988611 is an apocalyptic number.

53988611 is a deficient number, since it is larger than the sum of its proper divisors (1).

53988611 is an equidigital number, since it uses as much as digits as its factorization.

53988611 is an evil number, because the sum of its binary digits is even.

The product of its digits is 51840, while the sum is 41.

The square root of 53988611 is about 7347.6942641893. The cubic root of 53988611 is about 377.9497404319.

The spelling of 53988611 in words is "fifty-three million, nine hundred eighty-eight thousand, six hundred eleven".