53733769 has 2 divisors, whose sum is σ = 53733770. Its totient is φ = 53733768.

The previous prime is 53733707. The next prime is 53733809. The reversal of 53733769 is 96733735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52707600 + 1026169 = 7260^2 + 1013^2 .

It is a cyclic number.

It is not a de Polignac number, because 53733769 - 2⁹ = 53733257 is a prime.

It is a super-2 number, since 2×53733769² = 5774635861890722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53733269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26866884 + 26866885.

It is an arithmetic number, because the mean of its divisors is an integer number (26866885).

Almost surely, 2^53733769 is an apocalyptic number.

It is an amenable number.

53733769 is a deficient number, since it is larger than the sum of its proper divisors (1).

53733769 is an equidigital number, since it uses as much as digits as its factorization.

53733769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 357210, while the sum is 43.

The square root of 53733769 is about 7330.3321207160. The cubic root of 53733769 is about 377.3541245943.

The spelling of 53733769 in words is "fifty-three million, seven hundred thirty-three thousand, seven hundred sixty-nine".