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89975553 = 329991851
BaseRepresentation
bin1010101110011…
…10101100000001
320021022020020220
411113032230001
5141013204203
612532253253
72141531253
oct527165401
9207266226
1089975553
1146874a68
1226171229
1315843a95
14bd41cd3
157d74653
hex55ceb01

89975553 has 4 divisors (see below), whose sum is σ = 119967408. Its totient is φ = 59983700.

The previous prime is 89975539. The next prime is 89975579. The reversal of 89975553 is 35557998.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89975553 - 24 = 89975537 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 89975496 and 89975505.

It is not an unprimeable number, because it can be changed into a prime (89975533) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14995923 + ... + 14995928.

It is an arithmetic number, because the mean of its divisors is an integer number (29991852).

Almost surely, 289975553 is an apocalyptic number.

It is an amenable number.

89975553 is a deficient number, since it is larger than the sum of its proper divisors (29991855).

89975553 is a wasteful number, since it uses less digits than its factorization.

89975553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29991854.

The product of its digits is 1701000, while the sum is 51.

The square root of 89975553 is about 9485.5444229628. The cubic root of 89975553 is about 448.0998943509.

The spelling of 89975553 in words is "eighty-nine million, nine hundred seventy-five thousand, five hundred fifty-three".

Divisors: 1 3 29991851 89975553