89654557 has 2 divisors, whose sum is σ = 89654558. Its totient is φ = 89654556.

The previous prime is 89654497. The next prime is 89654561. The reversal of 89654557 is 75545698.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 84897796 + 4756761 = 9214^2 + 2181^2 .

It is a cyclic number.

It is not a de Polignac number, because 89654557 - 2¹⁵ = 89621789 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89654557.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89654057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44827278 + 44827279.

It is an arithmetic number, because the mean of its divisors is an integer number (44827279).

Almost surely, 2^89654557 is an apocalyptic number.

It is an amenable number.

89654557 is a deficient number, since it is larger than the sum of its proper divisors (1).

89654557 is an equidigital number, since it uses as much as digits as its factorization.

89654557 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 49.

The square root of 89654557 is about 9468.6090319540. The cubic root of 89654557 is about 447.5663802989.

The spelling of 89654557 in words is "eighty-nine million, six hundred fifty-four thousand, five hundred fifty-seven".