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51055534 = 2431394271
BaseRepresentation
bin1100001011000…
…0101110101110
310120001220000201
43002300232232
5101032234114
65022144114
71156651645
oct302605656
9116056021
1051055534
1126901862
121512203a
13a76799a
146ad035c
154737874
hex30b0bae

51055534 has 16 divisors (see below), whose sum is σ = 78946560. Its totient is φ = 24748920.

The previous prime is 51055519. The next prime is 51055553. The reversal of 51055534 is 43555015.

51055534 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9819 + ... + 14089.

It is an arithmetic number, because the mean of its divisors is an integer number (4934160).

Almost surely, 251055534 is an apocalyptic number.

51055534 is a deficient number, since it is larger than the sum of its proper divisors (27891026).

51055534 is a wasteful number, since it uses less digits than its factorization.

51055534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4455.

The product of its (nonzero) digits is 7500, while the sum is 28.

The square root of 51055534 is about 7145.3155283724. The cubic root of 51055534 is about 370.9775319809.

The spelling of 51055534 in words is "fifty-one million, fifty-five thousand, five hundred thirty-four".

Divisors: 1 2 43 86 139 278 4271 5977 8542 11954 183653 367306 593669 1187338 25527767 51055534