89505654 has 48 divisors (see below), whose sum is σ = 209599488. Its totient is φ = 25405968.

The previous prime is 89505613. The next prime is 89505659. The reversal of 89505654 is 45650598.

It is a super-2 number, since 2×89505654² = 16022524195935432, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89505659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48187 + ... + 50009.

It is an arithmetic number, because the mean of its divisors is an integer number (4366656).

Almost surely, 2^89505654 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 89505654, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104799744).

89505654 is an abundant number, since it is smaller than the sum of its proper divisors (120093834).

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

89505654 is a wasteful number, since it uses less digits than its factorization.

89505654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2009 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 42.

The square root of 89505654 is about 9460.7427826783. The cubic root of 89505654 is about 447.3184624079.

The spelling of 89505654 in words is "eighty-nine million, five hundred five thousand, six hundred fifty-four".