53888491 has 2 divisors, whose sum is σ = 53888492. Its totient is φ = 53888490.

The previous prime is 53888477. The next prime is 53888537. The reversal of 53888491 is 19488835.

It is an a-pointer prime, because the next prime (53888537) can be obtained adding 53888491 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53888491 - 2⁷ = 53888363 is a prime.

It is not a weakly prime, because it can be changed into another prime (53888431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26944245 + 26944246.

It is an arithmetic number, because the mean of its divisors is an integer number (26944246).

Almost surely, 2^53888491 is an apocalyptic number.

53888491 is a deficient number, since it is larger than the sum of its proper divisors (1).

53888491 is an equidigital number, since it uses as much as digits as its factorization.

53888491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 46.

The square root of 53888491 is about 7340.8780809928. The cubic root of 53888491 is about 377.7159643161.

The spelling of 53888491 in words is "fifty-three million, eight hundred eighty-eight thousand, four hundred ninety-one".