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54455429 = 77779347
BaseRepresentation
bin1100111110111…
…0110010000101
310210110121210202
43033232302011
5102420033204
65223100245
71230602120
oct317566205
9123417722
1054455429
1128814196
12162a1685
13b388362
1473373b7
154ba9e1e
hex33eec85

54455429 has 4 divisors (see below), whose sum is σ = 62234784. Its totient is φ = 46676076.

The previous prime is 54455413. The next prime is 54455449. The reversal of 54455429 is 92455445.

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, and also an emirpimes, since its reverse is a distinct semiprime: 92455445 = 518491089.

It is a cyclic number.

It is not a de Polignac number, because 54455429 - 24 = 54455413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54455392 and 54455401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54455449) 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, 3889667 + ... + 3889680.

It is an arithmetic number, because the mean of its divisors is an integer number (15558696).

Almost surely, 254455429 is an apocalyptic number.

It is an amenable number.

54455429 is a deficient number, since it is larger than the sum of its proper divisors (7779355).

54455429 is an equidigital number, since it uses as much as digits as its factorization.

54455429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7779354.

The product of its digits is 144000, while the sum is 38.

The square root of 54455429 is about 7379.3921836422. The cubic root of 54455429 is about 379.0359426883.

The spelling of 54455429 in words is "fifty-four million, four hundred fifty-five thousand, four hundred twenty-nine".

Divisors: 1 7 7779347 54455429