53405711 has 2 divisors, whose sum is σ = 53405712. Its totient is φ = 53405710.

The previous prime is 53405663. The next prime is 53405731. The reversal of 53405711 is 11750435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53405711 - 2¹⁴ = 53389327 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53405731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26702855 + 26702856.

It is an arithmetic number, because the mean of its divisors is an integer number (26702856).

Almost surely, 2^53405711 is an apocalyptic number.

53405711 is a deficient number, since it is larger than the sum of its proper divisors (1).

53405711 is an equidigital number, since it uses as much as digits as its factorization.

53405711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2100, while the sum is 26.

The square root of 53405711 is about 7307.9211134221. The cubic root of 53405711 is about 376.5846095648.

The spelling of 53405711 in words is "fifty-three million, four hundred five thousand, seven hundred eleven".