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5455442879 = 8961297111
BaseRepresentation
bin1010001010010101…
…10111001110111111
3112002012101012201222
411011022313032333
542133043133004
62301201023555
7252122333165
oct50512671677
915065335658
105455442879
11234a500a87
121083024bbb
1368c312b13
1439a779235
1521de1c7be
hex1452b73bf

5455442879 has 4 divisors (see below), whose sum is σ = 5516740080. Its totient is φ = 5394145680.

The previous prime is 5455442843. The next prime is 5455442893. The reversal of 5455442879 is 9782445545.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 5455442879 - 28 = 5455442623 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5455442879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5455441879) 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, 30648467 + ... + 30648644.

It is an arithmetic number, because the mean of its divisors is an integer number (1379185020).

Almost surely, 25455442879 is an apocalyptic number.

5455442879 is a deficient number, since it is larger than the sum of its proper divisors (61297201).

5455442879 is an equidigital number, since it uses as much as digits as its factorization.

5455442879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61297200.

The product of its digits is 8064000, while the sum is 53.

The square root of 5455442879 is about 73860.9699299975. The cubic root of 5455442879 is about 1760.3945051211.

The spelling of 5455442879 in words is "five billion, four hundred fifty-five million, four hundred forty-two thousand, eight hundred seventy-nine".

Divisors: 1 89 61297111 5455442879