89505537 has 16 divisors (see below), whose sum is σ = 132399360. Its totient is φ = 53325200.

The previous prime is 89505517. The next prime is 89505539. The reversal of 89505537 is 73550598.

It is a cyclic number.

It is not a de Polignac number, because 89505537 - 2¹¹ = 89503489 is a prime.

It is a super-2 number, since 2×89505537² = 16022482307316738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (89505539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21039 + ... + 24932.

It is an arithmetic number, because the mean of its divisors is an integer number (8274960).

Almost surely, 2^89505537 is an apocalyptic number.

It is an amenable number.

89505537 is a deficient number, since it is larger than the sum of its proper divisors (42893823).

89505537 is a wasteful number, since it uses less digits than its factorization.

89505537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46044.

The product of its (nonzero) digits is 189000, while the sum is 42.

The square root of 89505537 is about 9460.7365992295. The cubic root of 89505537 is about 447.3182674992.

The spelling of 89505537 in words is "eighty-nine million, five hundred five thousand, five hundred thirty-seven".