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54507769 = 232369903
BaseRepresentation
bin1100111111101…
…1100011111001
310210120021121021
43033323203321
5102423222034
65224142441
71231210531
oct317734371
9123507537
1054507769
112884a548
1216307a21
13b3a6124
14734c4c1
154bba6b4
hex33fb8f9

54507769 has 4 divisors (see below), whose sum is σ = 56877696. Its totient is φ = 52137844.

The previous prime is 54507767. The next prime is 54507811. The reversal of 54507769 is 96770545.

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 54507769 - 21 = 54507767 is a prime.

It is a super-2 number, since 2×545077692 = 5942193762714722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54507767) 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, 1184929 + ... + 1184974.

It is an arithmetic number, because the mean of its divisors is an integer number (14219424).

Almost surely, 254507769 is an apocalyptic number.

It is an amenable number.

54507769 is a deficient number, since it is larger than the sum of its proper divisors (2369927).

54507769 is a wasteful number, since it uses less digits than its factorization.

54507769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2369926.

The product of its (nonzero) digits is 264600, while the sum is 43.

The square root of 54507769 is about 7382.9376944411. The cubic root of 54507769 is about 379.1573409828.

The spelling of 54507769 in words is "fifty-four million, five hundred seven thousand, seven hundred sixty-nine".

Divisors: 1 23 2369903 54507769