53400064049 has 2 divisors, whose sum is σ = 53400064050. Its totient is φ = 53400064048.

The previous prime is 53400064021. The next prime is 53400064061. The reversal of 53400064049 is 94046000435.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36750807025 + 16649257024 = 191705^2 + 129032^2 .

It is a cyclic number.

It is not a de Polignac number, because 53400064049 - 2¹⁶ = 53399998513 is a prime.

It is not a weakly prime, because it can be changed into another prime (53400064849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26700032024 + 26700032025.

It is an arithmetic number, because the mean of its divisors is an integer number (26700032025).

Almost surely, 2^53400064049 is an apocalyptic number.

It is an amenable number.

53400064049 is a deficient number, since it is larger than the sum of its proper divisors (1).

53400064049 is an equidigital number, since it uses as much as digits as its factorization.

53400064049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 53400064049 in words is "fifty-three billion, four hundred million, sixty-four thousand, forty-nine".