53772464237 has 2 divisors, whose sum is σ = 53772464238. Its totient is φ = 53772464236.

The previous prime is 53772464173. The next prime is 53772464293. The reversal of 53772464237 is 73246427735.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50814627241 + 2957836996 = 225421^2 + 54386^2 .

It is a cyclic number.

It is not a de Polignac number, because 53772464237 - 2⁶ = 53772464173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53772469237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26886232118 + 26886232119.

It is an arithmetic number, because the mean of its divisors is an integer number (26886232119).

Almost surely, 2^53772464237 is an apocalyptic number.

It is an amenable number.

53772464237 is a deficient number, since it is larger than the sum of its proper divisors (1).

53772464237 is an equidigital number, since it uses as much as digits as its factorization.

53772464237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5927040, while the sum is 50.

The spelling of 53772464237 in words is "fifty-three billion, seven hundred seventy-two million, four hundred sixty-four thousand, two hundred thirty-seven".