89256557 has 8 divisors (see below), whose sum is σ = 97752480. Its totient is φ = 80993520.

The previous prime is 89256551. The next prime is 89256571. The reversal of 89256557 is 75565298.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 89256557 - 2⁶ = 89256493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89256551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57419 + ... + 58952.

It is an arithmetic number, because the mean of its divisors is an integer number (12219060).

Almost surely, 2^89256557 is an apocalyptic number.

It is an amenable number.

89256557 is a deficient number, since it is larger than the sum of its proper divisors (8495923).

89256557 is a wasteful number, since it uses less digits than its factorization.

89256557 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116443.

The product of its digits is 756000, while the sum is 47.

The square root of 89256557 is about 9447.5688407124. The cubic root of 89256557 is about 446.9031098232.

The spelling of 89256557 in words is "eighty-nine million, two hundred fifty-six thousand, five hundred fifty-seven".