75652553 has 2 divisors, whose sum is σ = 75652554. Its totient is φ = 75652552.

The previous prime is 75652519. The next prime is 75652583. The reversal of 75652553 is 35525657.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 75394489 + 258064 = 8683^2 + 508^2 .

It is a cyclic number.

It is not a de Polignac number, because 75652553 - 2¹⁸ = 75390409 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 (75652583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37826276 + 37826277.

It is an arithmetic number, because the mean of its divisors is an integer number (37826277).

Almost surely, 2^75652553 is an apocalyptic number.

It is an amenable number.

75652553 is a deficient number, since it is larger than the sum of its proper divisors (1).

75652553 is an equidigital number, since it uses as much as digits as its factorization.

75652553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 157500, while the sum is 38.

The square root of 75652553 is about 8697.8476073107. The cubic root of 75652553 is about 422.9358791901.

The spelling of 75652553 in words is "seventy-five million, six hundred fifty-two thousand, five hundred fifty-three".