75525252553 has 2 divisors, whose sum is σ = 75525252554. Its totient is φ = 75525252552.

The previous prime is 75525252497. The next prime is 75525252563. The reversal of 75525252553 is 35525252557.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66467542969 + 9057709584 = 257813^2 + 95172^2 .

It is a cyclic number.

It is not a de Polignac number, because 75525252553 - 2¹⁷ = 75525121481 is a prime.

It is not a weakly prime, because it can be changed into another prime (75525252563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37762626276 + 37762626277.

It is an arithmetic number, because the mean of its divisors is an integer number (37762626277).

Almost surely, 2^75525252553 is an apocalyptic number.

It is an amenable number.

75525252553 is a deficient number, since it is larger than the sum of its proper divisors (1).

75525252553 is an equidigital number, since it uses as much as digits as its factorization.

75525252553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2625000, while the sum is 46.

The spelling of 75525252553 in words is "seventy-five billion, five hundred twenty-five million, two hundred fifty-two thousand, five hundred fifty-three".