75048553 has 2 divisors, whose sum is σ = 75048554. Its totient is φ = 75048552.

The previous prime is 75048539. The next prime is 75048559. The reversal of 75048553 is 35584057.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40615129 + 34433424 = 6373^2 + 5868^2 .

It is a cyclic number.

It is not a de Polignac number, because 75048553 - 2⁵ = 75048521 is a prime.

It is equal to p_4396933 and since 75048553 and 4396933 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (75048559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37524276 + 37524277.

It is an arithmetic number, because the mean of its divisors is an integer number (37524277).

Almost surely, 2^75048553 is an apocalyptic number.

It is an amenable number.

75048553 is a deficient number, since it is larger than the sum of its proper divisors (1).

75048553 is an equidigital number, since it uses as much as digits as its factorization.

75048553 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 84000, while the sum is 37.

The square root of 75048553 is about 8663.0567930725. The cubic root of 75048553 is about 421.8073156564.

The spelling of 75048553 in words is "seventy-five million, forty-eight thousand, five hundred fifty-three".