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53105759 = 723134961
BaseRepresentation
bin1100101010010…
…1010001011111
310200221001101222
43022211101133
5102043341014
65134123555
71213251200
oct312452137
9120831358
1053105759
1127a82163
12159505bb
13b004c35
1470a55a7
1549e008e
hex32a545f

53105759 has 12 divisors (see below), whose sum is σ = 63770688. Its totient is φ = 44049600.

The previous prime is 53105753. The next prime is 53105761. The reversal of 53105759 is 95750135.

It is not a de Polignac number, because 53105759 - 24 = 53105743 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53105753) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15962 + ... + 18999.

It is an arithmetic number, because the mean of its divisors is an integer number (5314224).

Almost surely, 253105759 is an apocalyptic number.

53105759 is a deficient number, since it is larger than the sum of its proper divisors (10664929).

53105759 is a wasteful number, since it uses less digits than its factorization.

53105759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35006 (or 34999 counting only the distinct ones).

The product of its (nonzero) digits is 23625, while the sum is 35.

The square root of 53105759 is about 7287.3698273108. The cubic root of 53105759 is about 375.8782591196.

The spelling of 53105759 in words is "fifty-three million, one hundred five thousand, seven hundred fifty-nine".

Divisors: 1 7 31 49 217 1519 34961 244727 1083791 1713089 7586537 53105759