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53412053 = 3741137257
BaseRepresentation
bin1100101111000…
…0000011010101
310201111121120012
43023300003111
5102133141203
65144450005
71215665162
oct313600325
9121447505
1053412053
11281712a2
1215a79905
13b0b1486
147145069
154a50bd8
hex32f00d5

53412053 has 16 divisors (see below), whose sum is σ = 56823984. Its totient is φ = 50135040.

The previous prime is 53412043. The next prime is 53412083. The reversal of 53412053 is 35021435.

It can be written as a sum of positive squares in 8 ways, for example, as 5276209 + 48135844 = 2297^2 + 6938^2 .

It is a cyclic number.

It is not a de Polignac number, because 53412053 - 212 = 53407957 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 (53412013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207701 + ... + 207957.

It is an arithmetic number, because the mean of its divisors is an integer number (3551499).

Almost surely, 253412053 is an apocalyptic number.

It is an amenable number.

53412053 is a deficient number, since it is larger than the sum of its proper divisors (3411931).

53412053 is a wasteful number, since it uses less digits than its factorization.

53412053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 53412053 is about 7308.3550132708. The cubic root of 53412053 is about 376.5995156177.

Adding to 53412053 its reverse (35021435), we get a palindrome (88433488).

The spelling of 53412053 in words is "fifty-three million, four hundred twelve thousand, fifty-three".

Divisors: 1 37 41 137 257 1517 5069 5617 9509 10537 35209 207829 389869 1302733 1443569 53412053