53123269 has 2 divisors, whose sum is σ = 53123270. Its totient is φ = 53123268.

The previous prime is 53123263. The next prime is 53123281. The reversal of 53123269 is 96232135.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52751169 + 372100 = 7263^2 + 610^2 .

It is a cyclic number.

It is not a de Polignac number, because 53123269 - 2⁷ = 53123141 is a prime.

It is a super-2 number, since 2×53123269² = 5644163418492722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 53123269.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53123263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26561634 + 26561635.

It is an arithmetic number, because the mean of its divisors is an integer number (26561635).

Almost surely, 2^53123269 is an apocalyptic number.

It is an amenable number.

53123269 is a deficient number, since it is larger than the sum of its proper divisors (1).

53123269 is an equidigital number, since it uses as much as digits as its factorization.

53123269 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9720, while the sum is 31.

The square root of 53123269 is about 7288.5711219690. The cubic root of 53123269 is about 375.9195660338.

The spelling of 53123269 in words is "fifty-three million, one hundred twenty-three thousand, two hundred sixty-nine".