89115503 has 2 divisors, whose sum is σ = 89115504. Its totient is φ = 89115502.

The previous prime is 89115451. The next prime is 89115527. The reversal of 89115503 is 30551198.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89115503 - 2¹⁶ = 89049967 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89115503.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89112503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44557751 + 44557752.

It is an arithmetic number, because the mean of its divisors is an integer number (44557752).

Almost surely, 2^89115503 is an apocalyptic number.

89115503 is a deficient number, since it is larger than the sum of its proper divisors (1).

89115503 is an equidigital number, since it uses as much as digits as its factorization.

89115503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5400, while the sum is 32.

The square root of 89115503 is about 9440.1007939534. The cubic root of 89115503 is about 446.6675689321.

The spelling of 89115503 in words is "eighty-nine million, one hundred fifteen thousand, five hundred three".