89188557055 has 32 divisors (see below), whose sum is σ = 115924523904. Its totient is φ = 65483168256.

The previous prime is 89188557047. The next prime is 89188557067. The reversal of 89188557055 is 55075588198.

It is a cyclic number.

It is not a de Polignac number, because 89188557055 - 2³ = 89188557047 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 89188556984 and 89188557002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8174734 + ... + 8185636.

It is an arithmetic number, because the mean of its divisors is an integer number (3622641372).

Almost surely, 2^89188557055 is an apocalyptic number.

89188557055 is a deficient number, since it is larger than the sum of its proper divisors (26735966849).

89188557055 is a wasteful number, since it uses less digits than its factorization.

89188557055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11635.

The product of its (nonzero) digits is 20160000, while the sum is 61.

The spelling of 89188557055 in words is "eighty-nine billion, one hundred eighty-eight million, five hundred fifty-seven thousand, fifty-five".