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55237 = 713607
BaseRepresentation
bin1101011111000101
32210202211
431133011
53231422
61103421
7320020
oct153705
983684
1055237
1138556
1227b71
131c1b0
14161b7
1511577
hexd7c5

55237 has 8 divisors (see below), whose sum is σ = 68096. Its totient is φ = 43632.

The previous prime is 55229. The next prime is 55243. The reversal of 55237 is 73255.

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 55237 - 23 = 55229 is a prime.

It is a super-2 number, since 2×552372 = 6102252338, which contains 22 as substring.

55237 is a lucky number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55207) 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, 213 + ... + 394.

It is an arithmetic number, because the mean of its divisors is an integer number (8512).

255237 is an apocalyptic number.

It is an amenable number.

55237 is a deficient number, since it is larger than the sum of its proper divisors (12859).

55237 is a wasteful number, since it uses less digits than its factorization.

55237 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 627.

The product of its digits is 1050, while the sum is 22.

The square root of 55237 is about 235.0255305281. The cubic root of 55237 is about 38.0840705609.

It can be divided in two parts, 55 and 237, that added together give a palindrome (292).

The spelling of 55237 in words is "fifty-five thousand, two hundred thirty-seven".

Divisors: 1 7 13 91 607 4249 7891 55237