53987411 has 2 divisors, whose sum is σ = 53987412. Its totient is φ = 53987410.

The previous prime is 53987407. The next prime is 53987431. The reversal of 53987411 is 11478935.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53987411 - 2² = 53987407 is a prime.

It is not a weakly prime, because it can be changed into another prime (53987431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26993705 + 26993706.

It is an arithmetic number, because the mean of its divisors is an integer number (26993706).

Almost surely, 2^53987411 is an apocalyptic number.

53987411 is a deficient number, since it is larger than the sum of its proper divisors (1).

53987411 is an equidigital number, since it uses as much as digits as its factorization.

53987411 is an evil number, because the sum of its binary digits is even.

The product of its digits is 30240, while the sum is 38.

The square root of 53987411 is about 7347.6126054658. The cubic root of 53987411 is about 377.9469401929.

The spelling of 53987411 in words is "fifty-three million, nine hundred eighty-seven thousand, four hundred eleven".