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53387255 = 523464237
BaseRepresentation
bin1100101110100…
…1111111110111
310201110100112202
43023221333313
5102131343010
65144135115
71215532655
oct313517767
9121410482
1053387255
11281546a9
1215a6749b
13b0a30bc
147139dd5
154a486a5
hex32e9ff7

53387255 has 8 divisors (see below), whose sum is σ = 66850272. Its totient is φ = 40852768.

The previous prime is 53387251. The next prime is 53387267. The reversal of 53387255 is 55278335.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53387255 - 22 = 53387251 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 (53387251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232004 + ... + 232233.

It is an arithmetic number, because the mean of its divisors is an integer number (8356284).

Almost surely, 253387255 is an apocalyptic number.

53387255 is a deficient number, since it is larger than the sum of its proper divisors (13463017).

53387255 is a wasteful number, since it uses less digits than its factorization.

53387255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 464265.

The product of its digits is 126000, while the sum is 38.

The square root of 53387255 is about 7306.6582648978. The cubic root of 53387255 is about 376.5412244024.

The spelling of 53387255 in words is "fifty-three million, three hundred eighty-seven thousand, two hundred fifty-five".

Divisors: 1 5 23 115 464237 2321185 10677451 53387255