53511418073 has 2 divisors, whose sum is σ = 53511418074. Its totient is φ = 53511418072.

The previous prime is 53511418063. The next prime is 53511418097. The reversal of 53511418073 is 37081411535.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42218742784 + 11292675289 = 205472^2 + 106267^2 .

It is a cyclic number.

It is not a de Polignac number, because 53511418073 - 2²² = 53507223769 is a prime.

It is not a weakly prime, because it can be changed into another prime (53511418003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26755709036 + 26755709037.

It is an arithmetic number, because the mean of its divisors is an integer number (26755709037).

Almost surely, 2^53511418073 is an apocalyptic number.

It is an amenable number.

53511418073 is a deficient number, since it is larger than the sum of its proper divisors (1).

53511418073 is an equidigital number, since it uses as much as digits as its factorization.

53511418073 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 50400, while the sum is 38.

The spelling of 53511418073 in words is "fifty-three billion, five hundred eleven million, four hundred eighteen thousand, seventy-three".