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53388755 = 5717531693
BaseRepresentation
bin1100101110101…
…0010111010011
310201110102121022
43023222113103
5102131420010
65144150055
71215540230
oct313522723
9121412538
1053388755
1128155842
1215a6832b
13b0a39a4
14713a787
154a48d55
hex32ea5d3

53388755 has 32 divisors (see below), whose sum is σ = 79035264. Its totient is φ = 33785856.

The previous prime is 53388707. The next prime is 53388761. The reversal of 53388755 is 55788335.

It is a cyclic number.

It is not a de Polignac number, because 53388755 - 26 = 53388691 is a prime.

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, 30689 + ... + 32381.

It is an arithmetic number, because the mean of its divisors is an integer number (2469852).

Almost surely, 253388755 is an apocalyptic number.

53388755 is a deficient number, since it is larger than the sum of its proper divisors (25646509).

53388755 is a wasteful number, since it uses less digits than its factorization.

53388755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775.

The product of its digits is 504000, while the sum is 44.

The square root of 53388755 is about 7306.7609102803. The cubic root of 53388755 is about 376.5447508780.

The spelling of 53388755 in words is "fifty-three million, three hundred eighty-eight thousand, seven hundred fifty-five".

Divisors: 1 5 7 17 35 53 85 119 265 371 595 901 1693 1855 4505 6307 8465 11851 28781 31535 59255 89729 143905 201467 448645 628103 1007335 1525393 3140515 7626965 10677751 53388755