53648831 has 2 divisors, whose sum is σ = 53648832. Its totient is φ = 53648830.

The previous prime is 53648827. The next prime is 53648849. The reversal of 53648831 is 13884635.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53648831 - 2² = 53648827 is a prime.

It is a super-2 number, since 2×53648831² = 5756394135333122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53648731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26824415 + 26824416.

It is an arithmetic number, because the mean of its divisors is an integer number (26824416).

Almost surely, 2^53648831 is an apocalyptic number.

53648831 is a deficient number, since it is larger than the sum of its proper divisors (1).

53648831 is an equidigital number, since it uses as much as digits as its factorization.

53648831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 38.

The square root of 53648831 is about 7324.5362310524. The cubic root of 53648831 is about 377.1551894348.

The spelling of 53648831 in words is "fifty-three million, six hundred forty-eight thousand, eight hundred thirty-one".