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54969589 = 78769847
BaseRepresentation
bin1101000110110…
…0010011110101
310211102202002201
43101230103311
5103033011324
65242104501
71235143123
oct321542365
9124382081
1054969589
1129035514
12164ab131
13b5083ac
14742c913
154c5c444
hex346c4f5

54969589 has 4 divisors (see below), whose sum is σ = 55040224. Its totient is φ = 54898956.

The previous prime is 54969583. The next prime is 54969611. The reversal of 54969589 is 98596945.

It is a happy number.

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 54969589 - 23 = 54969581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54969581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34137 + ... + 35710.

It is an arithmetic number, because the mean of its divisors is an integer number (13760056).

Almost surely, 254969589 is an apocalyptic number.

It is an amenable number.

54969589 is a deficient number, since it is larger than the sum of its proper divisors (70635).

54969589 is an equidigital number, since it uses as much as digits as its factorization.

54969589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70634.

The product of its digits is 3499200, while the sum is 55.

The square root of 54969589 is about 7414.1478943976. The cubic root of 54969589 is about 380.2251412825.

The spelling of 54969589 in words is "fifty-four million, nine hundred sixty-nine thousand, five hundred eighty-nine".

Divisors: 1 787 69847 54969589