89954551 has 2 divisors, whose sum is σ = 89954552. Its totient is φ = 89954550.

The previous prime is 89954521. The next prime is 89954593. The reversal of 89954551 is 15545998.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89954551 - 2⁵ = 89954519 is a prime.

It is a super-2 number, since 2×89954551² = 16183642491223202, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89954521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44977275 + 44977276.

It is an arithmetic number, because the mean of its divisors is an integer number (44977276).

Almost surely, 2^89954551 is an apocalyptic number.

89954551 is a deficient number, since it is larger than the sum of its proper divisors (1).

89954551 is an equidigital number, since it uses as much as digits as its factorization.

89954551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324000, while the sum is 46.

The square root of 89954551 is about 9484.4373053967. The cubic root of 89954551 is about 448.0650266340.

The spelling of 89954551 in words is "eighty-nine million, nine hundred fifty-four thousand, five hundred fifty-one".