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52550453 = 63238311
BaseRepresentation
bin1100100001110…
…1101100110101
310122212211200002
43020131230311
5101423103303
65114201045
71205446214
oct310355465
9118784602
1052550453
1127732a2a
1215723185
13ab6c257
146d9d07b
154930788
hex321db35

52550453 has 4 divisors (see below), whose sum is σ = 52565088. Its totient is φ = 52535820.

The previous prime is 52550431. The next prime is 52550467. The reversal of 52550453 is 35405525.

It is a happy number.

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 a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 52550453 - 26 = 52550389 is a prime.

It is a super-2 number, since 2×525504532 = 5523100221010418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52550413) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2168 + ... + 10478.

It is an arithmetic number, because the mean of its divisors is an integer number (13141272).

Almost surely, 252550453 is an apocalyptic number.

It is an amenable number.

52550453 is a deficient number, since it is larger than the sum of its proper divisors (14635).

52550453 is an equidigital number, since it uses as much as digits as its factorization.

52550453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14634.

The product of its (nonzero) digits is 15000, while the sum is 29.

The square root of 52550453 is about 7249.1691248032. The cubic root of 52550453 is about 374.5635289192.

Adding to 52550453 its reverse (35405525), we get a palindrome (87955978).

The spelling of 52550453 in words is "fifty-two million, five hundred fifty thousand, four hundred fifty-three".

Divisors: 1 6323 8311 52550453