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56052717 = 373194761
BaseRepresentation
bin1101010111010…
…0101111101101
310220110202212120
43111310233231
5103322141332
65321223153
71250304000
oct325645755
9126422776
1056052717
1129705266
1216931ab9
13b7c73b6
147631537
154dc332c
hex3574bed

56052717 has 64 divisors (see below), whose sum is σ = 95232000. Its totient is φ = 29211840.

The previous prime is 56052701. The next prime is 56052719. The reversal of 56052717 is 71725065.

It is not a de Polignac number, because 56052717 - 24 = 56052701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56052719) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 918867 + ... + 918927.

It is an arithmetic number, because the mean of its divisors is an integer number (1488000).

Almost surely, 256052717 is an apocalyptic number.

56052717 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

It is an amenable number.

56052717 is a deficient number, since it is larger than the sum of its proper divisors (39179283).

56052717 is a wasteful number, since it uses less digits than its factorization.

56052717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 33.

The square root of 56052717 is about 7486.8362477084. The cubic root of 56052717 is about 382.7062512755.

The spelling of 56052717 in words is "fifty-six million, fifty-two thousand, seven hundred seventeen".

Divisors: 1 3 7 19 21 47 49 57 61 133 141 147 183 329 343 399 427 893 931 987 1029 1159 1281 2303 2679 2793 2867 2989 3477 6251 6517 6909 8113 8601 8967 16121 18753 19551 20069 20923 24339 43757 48363 54473 56791 60207 62769 131271 140483 163419 170373 306299 381311 397537 421449 918897 983381 1143933 1192611 2669177 2950143 8007531 18684239 56052717