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55634231 = 1992631063
BaseRepresentation
bin1101010000111…
…0100100110111
310212200111211002
43110032210313
5103220243411
65304233515
71243611632
oct324164467
9125614732
1055634231
1129449904
121676b89b
13b6aba83
147562c19
154d3e33b
hex350e937

55634231 has 8 divisors (see below), whose sum is σ = 56179200. Its totient is φ = 55092312.

The previous prime is 55634221. The next prime is 55634237. The reversal of 55634231 is 13243655.

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 55634231 - 218 = 55372087 is a prime.

It is a super-2 number, since 2×556342312 = 6190335317922722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55634194 and 55634203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55634237) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51806 + ... + 52868.

It is an arithmetic number, because the mean of its divisors is an integer number (7022400).

Almost surely, 255634231 is an apocalyptic number.

55634231 is a deficient number, since it is larger than the sum of its proper divisors (544969).

55634231 is a wasteful number, since it uses less digits than its factorization.

55634231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1525.

The product of its digits is 10800, while the sum is 29.

The square root of 55634231 is about 7458.8357670618. The cubic root of 55634231 is about 381.7514510279.

Adding to 55634231 its reverse (13243655), we get a palindrome (68877886).

The spelling of 55634231 in words is "fifty-five million, six hundred thirty-four thousand, two hundred thirty-one".

Divisors: 1 199 263 1063 52337 211537 279569 55634231