53717407 has 2 divisors, whose sum is σ = 53717408. Its totient is φ = 53717406.

The previous prime is 53717383. The next prime is 53717429. The reversal of 53717407 is 70471735.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53717407 - 2²³ = 45328799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53717437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26858703 + 26858704.

It is an arithmetic number, because the mean of its divisors is an integer number (26858704).

Almost surely, 2^53717407 is an apocalyptic number.

53717407 is a deficient number, since it is larger than the sum of its proper divisors (1).

53717407 is an equidigital number, since it uses as much as digits as its factorization.

53717407 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20580, while the sum is 34.

The square root of 53717407 is about 7329.2159880849. The cubic root of 53717407 is about 377.3158191048.

The spelling of 53717407 in words is "fifty-three million, seven hundred seventeen thousand, four hundred seven".