53809268 has 12 divisors (see below), whose sum is σ = 97413540. Its totient is φ = 25976832.

The previous prime is 53809247. The next prime is 53809271. The reversal of 53809268 is 86290835.

It can be written as a sum of positive squares in 2 ways, for example, as 11142244 + 42667024 = 3338^2 + 6532^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 231821 + ... + 232052.

It is an arithmetic number, because the mean of its divisors is an integer number (8117795).

Almost surely, 2^53809268 is an apocalyptic number.

53809268 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

53809268 is a deficient number, since it is larger than the sum of its proper divisors (43604272).

53809268 is a wasteful number, since it uses less digits than its factorization.

53809268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463906 (or 463904 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 53809268 is about 7335.4800797221. The cubic root of 53809268 is about 377.5307765502.

The spelling of 53809268 in words is "fifty-three million, eight hundred nine thousand, two hundred sixty-eight".