53143679 has 2 divisors, whose sum is σ = 53143680. Its totient is φ = 53143678.

The previous prime is 53143637. The next prime is 53143691. The reversal of 53143679 is 97634135.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53143679 - 2⁸ = 53143423 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53140679) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26571839 + 26571840.

It is an arithmetic number, because the mean of its divisors is an integer number (26571840).

Almost surely, 2^53143679 is an apocalyptic number.

53143679 is a deficient number, since it is larger than the sum of its proper divisors (1).

53143679 is an equidigital number, since it uses as much as digits as its factorization.

53143679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 53143679 is about 7289.9711247713. The cubic root of 53143679 is about 375.9677027298.

The spelling of 53143679 in words is "fifty-three million, one hundred forty-three thousand, six hundred seventy-nine".