53523773 has 2 divisors, whose sum is σ = 53523774. Its totient is φ = 53523772.

The previous prime is 53523751. The next prime is 53523787. The reversal of 53523773 is 37732535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 52606009 + 917764 = 7253^2 + 958^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53523773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53523713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26761886 + 26761887.

It is an arithmetic number, because the mean of its divisors is an integer number (26761887).

Almost surely, 2^53523773 is an apocalyptic number.

It is an amenable number.

53523773 is a deficient number, since it is larger than the sum of its proper divisors (1).

53523773 is an equidigital number, since it uses as much as digits as its factorization.

53523773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 66150, while the sum is 35.

The square root of 53523773 is about 7315.9943274992. The cubic root of 53523773 is about 376.8619058143.

The spelling of 53523773 in words is "fifty-three million, five hundred twenty-three thousand, seven hundred seventy-three".