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55237416 = 23313177043
BaseRepresentation
bin1101001010110…
…1101100101000
310211221100111020
43102231230220
5103120044131
65251532440
71240340013
oct322555450
9124840436
1055237416
11291a8763
12165ba120
13b5a0280
14749c37a
154cb1996
hex34adb28

55237416 has 32 divisors (see below), whose sum is σ = 148716960. Its totient is φ = 16996032.

The previous prime is 55237387. The next prime is 55237417. The reversal of 55237416 is 61473255.

55237416 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (55237417) 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 7 ways as a sum of consecutive naturals, for example, 88210 + ... + 88833.

It is an arithmetic number, because the mean of its divisors is an integer number (4647405).

Almost surely, 255237416 is an apocalyptic number.

It is an amenable number.

55237416 is an abundant number, since it is smaller than the sum of its proper divisors (93479544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55237416 is a wasteful number, since it uses less digits than its factorization.

55237416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177065 (or 177061 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 55237416 is about 7432.1878340096. The cubic root of 55237416 is about 380.8416616671.

The spelling of 55237416 in words is "fifty-five million, two hundred thirty-seven thousand, four hundred sixteen".

Divisors: 1 2 3 4 6 8 12 13 24 26 39 52 78 104 156 312 177043 354086 531129 708172 1062258 1416344 2124516 2301559 4249032 4603118 6904677 9206236 13809354 18412472 27618708 55237416