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54944946 = 23371371061
BaseRepresentation
bin1101000110011…
…0010010110010
310211101111022000
43101212102302
5103031214241
65241354430
71235011230
oct321462262
9124344260
1054944946
1129018a51
1216498a16
13b4ca104
147423950
154c54eb6
hex34664b2

54944946 has 64 divisors (see below), whose sum is σ = 140693760. Its totient is φ = 15569280.

The previous prime is 54944917. The next prime is 54944987. The reversal of 54944946 is 64944945.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51256 + ... + 52316.

It is an arithmetic number, because the mean of its divisors is an integer number (2198340).

Almost surely, 254944946 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54944946, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70346880).

54944946 is an abundant number, since it is smaller than the sum of its proper divisors (85748814).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

54944946 is a wasteful number, since it uses less digits than its factorization.

54944946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1210 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 54944946 is about 7412.4858178616. The cubic root of 54944946 is about 380.1683141722.

Subtracting 54944946 from its reverse (64944945), we obtain a palindrome (9999999).

It can be divided in two parts, 5494 and 4946, that added together give a triangular number (10440 = T144).

The spelling of 54944946 in words is "fifty-four million, nine hundred forty-four thousand, nine hundred forty-six".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 137 189 274 378 411 822 959 1061 1233 1918 2122 2466 2877 3183 3699 5754 6366 7398 7427 8631 9549 14854 17262 19098 22281 25893 28647 44562 51786 57294 66843 133686 145357 200529 290714 401058 436071 872142 1017499 1308213 2034998 2616426 3052497 3924639 6104994 7849278 9157491 18314982 27472473 54944946