53401463 has 2 divisors, whose sum is σ = 53401464. Its totient is φ = 53401462.

The previous prime is 53401459. The next prime is 53401477. The reversal of 53401463 is 36410435.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53401463 - 2² = 53401459 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53401433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26700731 + 26700732.

It is an arithmetic number, because the mean of its divisors is an integer number (26700732).

Almost surely, 2^53401463 is an apocalyptic number.

53401463 is a deficient number, since it is larger than the sum of its proper divisors (1).

53401463 is an equidigital number, since it uses as much as digits as its factorization.

53401463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 53401463 is about 7307.6304641108. The cubic root of 53401463 is about 376.5746245288.

Adding to 53401463 its reverse (36410435), we get a palindrome (89811898).

The spelling of 53401463 in words is "fifty-three million, four hundred one thousand, four hundred sixty-three".