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53677825 = 5211319001
BaseRepresentation
bin1100110011000…
…0111100000001
310202000010010121
43030300330001
5102220142300
65154300241
71221153055
oct314607401
9122003117
1053677825
1128332a43
1215b87681
13b175436
1471b3c65
154aa481a
hex3330f01

53677825 has 12 divisors (see below), whose sum is σ = 67153068. Its totient is φ = 42560000.

The previous prime is 53677781. The next prime is 53677853. The reversal of 53677825 is 52877635.

It can be written as a sum of positive squares in 6 ways, for example, as 20142144 + 33535681 = 4488^2 + 5791^2 .

It is not a de Polignac number, because 53677825 - 221 = 51580673 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6676 + ... + 12325.

It is an arithmetic number, because the mean of its divisors is an integer number (5596089).

Almost surely, 253677825 is an apocalyptic number.

It is an amenable number.

53677825 is a deficient number, since it is larger than the sum of its proper divisors (13475243).

53677825 is a wasteful number, since it uses less digits than its factorization.

53677825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19124 (or 19119 counting only the distinct ones).

The product of its digits is 352800, while the sum is 43.

The square root of 53677825 is about 7326.5152016494. The cubic root of 53677825 is about 377.2231205093.

The spelling of 53677825 in words is "fifty-three million, six hundred seventy-seven thousand, eight hundred twenty-five".

Divisors: 1 5 25 113 565 2825 19001 95005 475025 2147113 10735565 53677825