89938553 has 2 divisors, whose sum is σ = 89938554. Its totient is φ = 89938552.

The previous prime is 89938547. The next prime is 89938561. The reversal of 89938553 is 35583998.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 69939769 + 19998784 = 8363^2 + 4472^2 .

It is a cyclic number.

It is not a de Polignac number, because 89938553 - 2⁶ = 89938489 is a prime.

It is not a weakly prime, because it can be changed into another prime (89938253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44969276 + 44969277.

It is an arithmetic number, because the mean of its divisors is an integer number (44969277).

Almost surely, 2^89938553 is an apocalyptic number.

It is an amenable number.

89938553 is a deficient number, since it is larger than the sum of its proper divisors (1).

89938553 is an equidigital number, since it uses as much as digits as its factorization.

89938553 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1166400, while the sum is 50.

The square root of 89938553 is about 9483.5938862859. The cubic root of 89938553 is about 448.0384629631.

The spelling of 89938553 in words is "eighty-nine million, nine hundred thirty-eight thousand, five hundred fifty-three".