52513553 has 2 divisors, whose sum is σ = 52513554. Its totient is φ = 52513552.

The previous prime is 52513543. The next prime is 52513589. The reversal of 52513553 is 35531525.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 27583504 + 24930049 = 5252^2 + 4993^2 .

It is a cyclic number.

It is not a de Polignac number, because 52513553 - 2⁴ = 52513537 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (52513543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26256776 + 26256777.

It is an arithmetic number, because the mean of its divisors is an integer number (26256777).

Almost surely, 2^52513553 is an apocalyptic number.

It is an amenable number.

52513553 is a deficient number, since it is larger than the sum of its proper divisors (1).

52513553 is an equidigital number, since it uses as much as digits as its factorization.

52513553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11250, while the sum is 29.

The square root of 52513553 is about 7246.6235585961. The cubic root of 52513553 is about 374.4758377593.

The spelling of 52513553 in words is "fifty-two million, five hundred thirteen thousand, five hundred fifty-three".