89551040 has 28 divisors (see below), whose sum is σ = 213244176. Its totient is φ = 35820288.

The previous prime is 89551037. The next prime is 89551051. The reversal of 89551040 is 4015598.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 89550988 and 89551006.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 139604 + ... + 140243.

Almost surely, 2^89551040 is an apocalyptic number.

89551040 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

89551040 is an abundant number, since it is smaller than the sum of its proper divisors (123693136).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

89551040 is a wasteful number, since it uses less digits than its factorization.

89551040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279864 (or 279854 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 32.

The square root of 89551040 is about 9463.1411275538. The cubic root of 89551040 is about 447.3940575025.

The spelling of 89551040 in words is "eighty-nine million, five hundred fifty-one thousand, forty".