89561750 has 32 divisors (see below), whose sum is σ = 169367328. Its totient is φ = 35460000.

The previous prime is 89561713. The next prime is 89561761. The reversal of 89561750 is 5716598.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 89561698 and 89561707.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23477 + ... + 27023.

It is an arithmetic number, because the mean of its divisors is an integer number (5292729).

Almost surely, 2^89561750 is an apocalyptic number.

89561750 is a deficient number, since it is larger than the sum of its proper divisors (79805578).

89561750 is a wasteful number, since it uses less digits than its factorization.

89561750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3665 (or 3655 counting only the distinct ones).

The product of its (nonzero) digits is 75600, while the sum is 41.

The square root of 89561750 is about 9463.7069903923. The cubic root of 89561750 is about 447.4118923944.

The spelling of 89561750 in words is "eighty-nine million, five hundred sixty-one thousand, seven hundred fifty".