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54966907 = 129142577
BaseRepresentation
bin1101000110101…
…1101001111011
310211102121102101
43101223221323
5103032420112
65242044231
71235132242
oct321535173
9124377371
1054966907
11290334a6
12164a9677
13b5070c8
14742b959
154c5b757
hex346ba7b

54966907 has 4 divisors (see below), whose sum is σ = 55010776. Its totient is φ = 54923040.

The previous prime is 54966889. The next prime is 54966913. The reversal of 54966907 is 70966945.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-54966907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54966407) 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, 19998 + ... + 22579.

It is an arithmetic number, because the mean of its divisors is an integer number (13752694).

Almost surely, 254966907 is an apocalyptic number.

54966907 is a deficient number, since it is larger than the sum of its proper divisors (43869).

54966907 is a wasteful number, since it uses less digits than its factorization.

54966907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43868.

The product of its (nonzero) digits is 408240, while the sum is 46.

The square root of 54966907 is about 7413.9670217772. The cubic root of 54966907 is about 380.2189573759.

It can be divided in two parts, 5496 and 6907, that added together give a triangular number (12403 = T157).

The spelling of 54966907 in words is "fifty-four million, nine hundred sixty-six thousand, nine hundred seven".

Divisors: 1 1291 42577 54966907