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53524357 = 67798871
BaseRepresentation
bin1100110000101…
…1011110000101
310201201022121121
43030023132011
5102200234412
65151113541
71216643455
oct314133605
9121638547
1053524357
1128238707
1215b128b1
13b120623
147173d65
154a74107
hex330b785

53524357 has 4 divisors (see below), whose sum is σ = 54323296. Its totient is φ = 52725420.

The previous prime is 53524337. The next prime is 53524391. The reversal of 53524357 is 75342535.

53524357 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75342535 = 515068507.

It is a cyclic number.

It is not a de Polignac number, because 53524357 - 219 = 53000069 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 (53524337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 399369 + ... + 399502.

It is an arithmetic number, because the mean of its divisors is an integer number (13580824).

Almost surely, 253524357 is an apocalyptic number.

It is an amenable number.

53524357 is a deficient number, since it is larger than the sum of its proper divisors (798939).

53524357 is an equidigital number, since it uses as much as digits as its factorization.

53524357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 798938.

The product of its digits is 63000, while the sum is 34.

The square root of 53524357 is about 7316.0342399417. The cubic root of 53524357 is about 376.8632764611.

The spelling of 53524357 in words is "fifty-three million, five hundred twenty-four thousand, three hundred fifty-seven".

Divisors: 1 67 798871 53524357