53007553 has 2 divisors, whose sum is σ = 53007554. Its totient is φ = 53007552.

The previous prime is 53007503. The next prime is 53007557. The reversal of 53007553 is 35570035.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35426304 + 17581249 = 5952^2 + 4193^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53007553 is a prime.

It is not a weakly prime, because it can be changed into another prime (53007557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26503776 + 26503777.

It is an arithmetic number, because the mean of its divisors is an integer number (26503777).

Almost surely, 2^53007553 is an apocalyptic number.

It is an amenable number.

53007553 is a deficient number, since it is larger than the sum of its proper divisors (1).

53007553 is an equidigital number, since it uses as much as digits as its factorization.

53007553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7875, while the sum is 28.

The square root of 53007553 is about 7280.6286129702. The cubic root of 53007553 is about 375.6464181131.

Adding to 53007553 its reverse (35570035), we get a palindrome (88577588).

The spelling of 53007553 in words is "fifty-three million, seven thousand, five hundred fifty-three".