53424769 has 2 divisors, whose sum is σ = 53424770. Its totient is φ = 53424768.

The previous prime is 53424743. The next prime is 53424773. The reversal of 53424769 is 96742435.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35046400 + 18378369 = 5920^2 + 4287^2 .

It is a cyclic number.

It is not a de Polignac number, because 53424769 - 2²³ = 45036161 is a prime.

It is a super-2 number, since 2×53424769² = 5708411885406722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53424739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26712384 + 26712385.

It is an arithmetic number, because the mean of its divisors is an integer number (26712385).

Almost surely, 2^53424769 is an apocalyptic number.

It is an amenable number.

53424769 is a deficient number, since it is larger than the sum of its proper divisors (1).

53424769 is an equidigital number, since it uses as much as digits as its factorization.

53424769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 40.

The square root of 53424769 is about 7309.2249247099. The cubic root of 53424769 is about 376.6293993811.

The spelling of 53424769 in words is "fifty-three million, four hundred twenty-four thousand, seven hundred sixty-nine".