53681024953 has 2 divisors, whose sum is σ = 53681024954. Its totient is φ = 53681024952.

The previous prime is 53681024941. The next prime is 53681024959. The reversal of 53681024953 is 35942018635.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28295613369 + 25385411584 = 168213^2 + 159328^2 .

It is a cyclic number.

It is not a de Polignac number, because 53681024953 - 2¹³ = 53681016761 is a prime.

It is not a weakly prime, because it can be changed into another prime (53681024959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26840512476 + 26840512477.

It is an arithmetic number, because the mean of its divisors is an integer number (26840512477).

Almost surely, 2^53681024953 is an apocalyptic number.

It is an amenable number.

53681024953 is a deficient number, since it is larger than the sum of its proper divisors (1).

53681024953 is an equidigital number, since it uses as much as digits as its factorization.

53681024953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 777600, while the sum is 46.

The spelling of 53681024953 in words is "fifty-three billion, six hundred eighty-one million, twenty-four thousand, nine hundred fifty-three".